| 单词 | subduction |
| 例句 | And yet, the lack of drama — or rather the subduction of it — may be what’s most interesting here. Review: In ‘The True,’ Edie Falco Stars as the Soul of an Old Machine 2018-09-21T04:00:00Z Supercontinents can focus deep oceanic plate subduction -- the driver of plate tectonics -- in very specific regions. Ancient diamonds shine light on the evolution of Earth 2023-10-18T04:00:00Z Both areas contain an active subduction zone, where tectonic plates collide and one plate plunges beneath another, causingsome of history's largest and most destructive earthquakes. Researchers test seafloor fiber optic cable as an earthquake early warning system 2023-10-17T04:00:00Z Tectonic plates constantly move against one another, and the crust in oceanic plates is more dense than continental plates, so oceanic plates get pushed under continental plates in a process called subduction and disappear. Scientists Discover Ghost of Ancient Mega-Plate That Disappeared 20 Million Years Ago 2023-10-17T04:00:00Z On Earth, this recycling process usually happens at subduction zones, where the oceanic crust slides beneath the continental crust, warming as it goes down. Earth is a geological oddball in our solar system. This is why. 2023-10-12T04:00:00Z But large oceanic plates from the geological past have since disappeared into the earth's mantle by means of subduction. Plate tectonic surprise: Geologist unexpectedly finds remnants of a lost mega-plate 2023-10-09T04:00:00Z Volcanoes can be created by hot spots deep within the Earth's mantle, like those in Hawaii, or they can form in subduction zones, where two tectonic plates collide. Volcanic ash effects on Earth systems 2023-10-04T04:00:00Z We live on top of the Cascadia subduction zone, where the Pacific Ocean tectonic plate is slowly sliding under the North American plate. Safeguard your home and family from earthquakes with proactive planning | Produced by Seattle Times Marketing 2023-08-11T04:00:00Z Plate subduction, as it’s called, is outpacing the seas. Erosion forces Olympic National Park to take a hard look at Kalaloch Lodge 2023-07-28T04:00:00Z And since wet rock is easier to melt, subduction bringing water down into the Earth helps the crust melt easily. Earth is a geological oddball in our solar system. This is why. 2023-10-12T04:00:00Z In 2001, geoscientists reported a completely new kind of earthquake at a subduction zone, a seam where a tectonic plate of ocean crust dives under a continent. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z The investigation of crustal spreading and subduction zones has unveiled the movements of tectonic plates and offered insight into the genesis of dangerous earthquakes. Today’s Deep-Sea Explorers Are Mineral Miners and Ultrawealthy Hobbyists 2023-06-20T04:00:00Z Geologic processes, such as weathering, erosion, water drainage, and the subduction of the continental plates, all play a role in this recycling of materials. Fundamentals of Biology 2015-01-01T00:00:00Z The evidence suggests that at subduction zones, where one tectonic plate dives beneath another, ancient ocean floor gets thrust down and drops to the bottom of the mantle over hundreds of millions of years. Earth’s core seems to be surrounded by enigmatic layer, geologists say 2023-04-10T04:00:00Z “When a subduction zone earthquake happens, there is only about a one-in-six chance that children will be at school.” What’s the matter with Wahkiakum? 2023-03-22T04:00:00Z Evidence from the Hikurangi subduction zone in New Zealand now suggests these “slow slip” events often depend on seamounts, the underwater volcanoes that stud the sea floor in large numbers. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z And so what happens is Turkey is squeezed outward to the west, where it spills into the Mediterranean and ultimately gets shoved underneath Crete in a subduction zone like we see off Japan. Why the Earthquake in Turkey Was So Damaging and Deadly 2023-02-06T05:00:00Z In some cases the destruction from strike-slip earthquakes is more widespread than from larger quakes that occur in so-called subduction zones, where one large crustal plate is sliding beneath another. Hours after the first quake, the region was hit by an unusually large aftershock. 2023-02-06T05:00:00Z It is part of what scientists call the Cascadia subduction zone, which stretches from Northern California into Canada. California quake occurred in very seismically active region 2022-12-21T05:00:00Z In this belt, tectonic plates collide and push under one another in a series of subduction zones, giving rise to both earthquakes and volcanism. How Water Made Fire in an Indonesian Volcano 2022-12-06T05:00:00Z In 2018, the Marcus Langseth, a U.S. seismic imaging ship, mapped part of the fault with a degree of detail that provided “an unprecedented look at a subduction zone,” Bangs says. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z That kind of quake occurs at a subduction zone, where one tectonic plate dives under another. Why the 5.6-magnitude earthquake in Indonesia was so deadly 2022-11-22T05:00:00Z “When it comes to the Cascadia subduction zone — that big one we talk about so much — how that generates a tsunami is when plates slip, it moves a column of water above it,” Tappero says. Lifting the fog: Preparing for the ‘big one’ | Provided by MJ Murdock Charitable Trust 2022-11-03T04:00:00Z Eruptions in the Home Reef — located in the Tonga-Kermadec subduction zone, one of the world’s most active volcanic arcs — have often produced new landmasses. A volcano in Tonga birthed a new island. Consider it limited edition. 2022-09-26T04:00:00Z The 170-million- to 200-million-year cycle is exactly the amount of time it takes for a slab of crust to travel from the surface down to the core-mantle boundary in the well-known process of subduction. The Milky Way’s Spiral Arms May Have Carved Earth’s Continents 2022-09-30T04:00:00Z Whether seamounts play a similar role in other subduction zones remains to be seen. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z Carbon sediments from the ocean floor are taken deep within the Earth by the process of subduction: the movement of one tectonic plate beneath another. Biology for AP Courses 2022-06-09T00:00:00Z If we can predict that lots of ground movement takes place along subduction zones and faults, then why do so many people live there? Astronomy 2016-10-13T00:00:00Z Carbon sediments from the ocean floor are taken deep within Earth by the process of subduction: the movement of one tectonic plate beneath another. Environmental Biology 2018-09-06T00:00:00Z And Murphy agrees, noting that the origin of subduction is a contentious topic within geology and that many researchers argue that it got a later start. The Milky Way’s Spiral Arms May Have Carved Earth’s Continents 2022-09-30T04:00:00Z The shallow subduction zone might also encourage slow slip in a way that deeper zones do not, Fagereng says. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z Seamounts are common and almost all are volcanoes, related to mantle plumes, subduction, or other processes. Physical Geology 2015-01-01T00:00:00Z The surface expression of plate tectonics includes continental drift, recycling of the ocean floor, mountain building, rift zones, subduction zones, faults, earthquakes, and volcanic eruptions of lava from the interior. Astronomy 2016-10-13T00:00:00Z Geologic processes, such as weathering, erosion, water drainage, and the subduction of the continental plates, all play a role in the cycling of elements on Earth. Environmental Biology 2018-09-06T00:00:00Z See Chapter 2 for more information about subduction zones. An Introduction to Geology 2017-01-01T00:00:00Z This month, U.S. scientists are visiting colleagues in Chile to discuss a planned collaboration, called SZ4D, that would study slow slip events in the Chilean subduction zone. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z The displacement between these belts could be explained by a westward shift in the position of the subduction zone over that time period. Physical Geology 2015-01-01T00:00:00Z Often a subduction zone is marked by an ocean trench; a fine example of this type of feature is the deep Japan trench along the coast of Asia. Astronomy 2016-10-13T00:00:00Z They are also earthquake factories, thanks to the nearby subduction of the South American tectonic plate. Scientists are probing the secrets of Earth’s inner core—and how it saved life on our planet 2022-03-30T04:00:00Z The earthquake originated in a megathrust fault along the Aleutian subduction zone. An Introduction to Geology 2017-01-01T00:00:00Z But geoscientists now know subduction zones often take a middle path: GPS sensors have shown they can slip in quiet, nearly imperceptible earthquakes that last weeks or months. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z Blue lines are divergent boundaries, red lines are transform boundaries, and black lines with teeth are subduction boundaries. Physical Geology 2015-01-01T00:00:00Z The amount of crust destroyed at subduction zones is approximately equal to the amount formed at rift zones. Astronomy 2016-10-13T00:00:00Z The expected subduction would cause the entire area to abruptly sink up to 7 feet; the shaking could cause liquefaction of sandy soils before the tsunami reached shore. Tsunami could kill thousands on Pacific Northwest’s coast. Can an escape be built? 2022-02-07T05:00:00Z While foreland basins may occur at subduction zones, they are most commonly found at collision boundaries. An Introduction to Geology 2017-01-01T00:00:00Z And more mysteriously, two recent subduction zone earthquakes, including the giant 2011 Tohoku quake in Japan, were preceded by slow slip events—and perhaps triggered by them. Undersea mountains help lubricate ‘slow slip’ earthquakes 2023-06-21T04:00:00Z Continuing subduction along the coast has generated ongoing volcanism and earthquake activity in southwestern B.C. Physical Geology 2015-01-01T00:00:00Z All along the subduction zone, earthquakes and volcanoes mark the death throes of the plate. Astronomy 2016-10-13T00:00:00Z The expected subduction would cause the entire area to abruptly sink up to seven feet; the shaking could cause liquefaction of sandy soils before the tsunami reached shore. The Tsunami Could Kill Thousands. Can They Build An Escape? 2022-02-07T05:00:00Z When a portion of the continental crust is driven down into the subduction zone, due to its buoyancy it returns to the surface relatively quickly. An Introduction to Geology 2017-01-01T00:00:00Z It is very easy to predict the supply-chain disruptions that will ensue following a subduction earthquake. Storms and flooding today, earthquake disruptions to come 2021-11-26T05:00:00Z As discussed in the context of subduction- related volcanism in Chapter 4, the significant volume of water within the subducting material is released as the subducting crust is heated. Physical Geology 2015-01-01T00:00:00Z A second major kind of volcanic activity is associated with subduction zones, and volcanoes sometimes also appear in regions where continental plates are colliding. Astronomy 2016-10-13T00:00:00Z “It’s pretty soothing, but then you think about the danger because of the subduction zone,” she says. As Oregon outfits its schools for seismic safety, many in Washington remain highly vulnerable to earthquakes and tsunamis 2021-11-21T05:00:00Z Graph D and label Z show a subduction zone, where an addition of volatiles lowers the melting point, shifting the solidus to the left of the geothermal gradient. An Introduction to Geology 2017-01-01T00:00:00Z Potassium is not a major presence in the deep mantle, yet it likely travels there in slabs of crust in subduction zones, where one tectonic plate is pushed under another. New Mineral Discovered in Deep-Earth Diamond 2021-11-11T05:00:00Z The mafic magma produced adjacent to the subduction zone rises to the base of the continental crust and leads to partial melting of the crustal rock. Physical Geology 2015-01-01T00:00:00Z There is no evidence of subduction zones on Venus, indicating that, unlike Earth, this planet never experienced plate tectonics. Astronomy 2016-10-13T00:00:00Z The existence of a decades-long slow slip “says subduction zones are more diverse than we necessarily appreciated,” says Kevin Furlong, a geoscientist at Pennsylvania State University who was not involved in the new research. The Longest-Known Earthquake Lasted 32 Years 2021-05-26T04:00:00Z Different tectonic or geologic environments cause metamorphism, including collisions, subduction, faulting, and even impacts from space. An Introduction to Geology 2017-01-01T00:00:00Z Slabs of ocean crust dive into Earth’s mantle at subduction zones, taking carbon down with them for long-term storage in the mantle. Microbes are siphoning massive amounts of carbon from Earth’s tectonic plates 2021-04-22T04:00:00Z For example, the Queen Charlotte Fault connects the north end of the Juan de Fuca Ridge, starting at the north end of Vancouver Island, to the Aleutian subduction zone. Physical Geology 2015-01-01T00:00:00Z The magnitude 9.1 earthquake that struck Japan in 2011 ruptured an undersea boundary known as a subduction zone, along which one tectonic plate dives beneath another. California’s tsunami vulnerability may be greater than once believed 2021-03-25T04:00:00Z The study highlights the complexity of subduction zones, Furlong says. The Longest-Known Earthquake Lasted 32 Years 2021-05-26T04:00:00Z They usually occur around the active plate boundaries, including zones of subduction, collision, and transform and divergent boundaries. An Introduction to Geology 2017-01-01T00:00:00Z The springs were 40 to 120 kilometers above the subduction zone where the Cocos Plate dives beneath Central America. Microbes are siphoning massive amounts of carbon from Earth’s tectonic plates 2021-04-22T04:00:00Z The eastern margins of North and South America and the western margins of Europe and Africa are called passive margins because there is no subduction taking place along them. Physical Geology 2015-01-01T00:00:00Z Meanwhile, cooling slabs of crust sink in subduction zones to the bottom of the mantle. What might Earth’s next supercontinent look like? New study provides clues 2021-01-21T05:00:00Z This is especially true at subduction faults under the ocean, which require special seafloor monitoring rather than GPS. The Longest-Known Earthquake Lasted 32 Years 2021-05-26T04:00:00Z Interplate volcanoes are located at active plate boundaries created by volcanism at mid- ocean ridges, subduction zones, and continental rifts. An Introduction to Geology 2017-01-01T00:00:00Z The researchers suspect similar activity is taking place in other subduction zones all over the world. Microbes are siphoning massive amounts of carbon from Earth’s tectonic plates 2021-04-22T04:00:00Z Figure 10.26 Development of a subduction zone at a passive margin. Physical Geology 2015-01-01T00:00:00Z Mitchell calls these zones “subduction girdles,” because the continental plates, too thick to subduct, go there and “get stuck,” he says. What might Earth’s next supercontinent look like? New study provides clues 2021-01-21T05:00:00Z Or maybe the subduction zones, typically as long as the midocean ridges, shrunk in length, reducing their pull. Slowdown in plate tectonics may have led to Earth’s ice sheets 2020-12-22T05:00:00Z Because subduction volcanism occurs in a volcanic arc, the thickened crust promotes partial melting and magma differentiation. An Introduction to Geology 2017-01-01T00:00:00Z The Washington Department of Natural Resources recently released simulations that show how a powerful tsunami would overwhelm the state's coastal and shoreline communities if a magnitude 9.0 earthquake struck along the Cascadia subduction zone. Tsunami could overwhelm Washington coast, swamp state when 'the big one' strikes, simulations show 2020-09-03T04:00:00Z Why does subduction not take place at a continent-continent convergent zone? Physical Geology 2015-01-01T00:00:00Z When Pangaea broke up 175 million years ago, it led to the formation of the Ring of Fire, a set of subduction zones along the perimeter of the Pacific Ocean that fuels volcanoes and earthquakes. What might Earth’s next supercontinent look like? New study provides clues 2021-01-21T05:00:00Z This area is the location of most of Earth's subduction zones, where oceanic plates slide under the lighter continental plates. Magnitude 6.8 earthquake strikes off Chile's northern coast, minor damage reported 2020-09-01T04:00:00Z Tectonic shifts in the west caused volcanism but eventually changed the long-standing subduction zone into a transform boundary. An Introduction to Geology 2017-01-01T00:00:00Z The central Apennines sit on top of a subduction zone where slabs of carbon-rich rock are continuously diving downward. Did Something Burp? It Was an Earthquake 2020-08-29T04:00:00Z It was first discovered on the Vancouver Island part of the Cascadia subduction zone by Geological Survey of Canada geologists Herb Dragert and Gary Rogers.* Physical Geology 2015-01-01T00:00:00Z It remains to be seen whether the same is true at the many mountain ranges that are not close to subduction zones. Mountain height might be controlled by tectonic force, rather than erosion 2020-06-10T04:00:00Z This is accomplished by a complicated regime of transform faulting, collision, and subduction that we're only beginning to untangle. Why Puerto Rico’s Tectonic Setting Makes Earthquakes Inevitable 2020-05-10T04:00:00Z Convergent plate boundaries with subduction zones create a special type of “reverse” fault called a megathrust fault where denser oceanic crust drives down beneath less dense overlying crust. An Introduction to Geology 2017-01-01T00:00:00Z Because they happen in the soft sediments close to the seafloor in subduction zones — areas where one tectonic plate sinks beneath another — they create more movement than quakes that occur in hard rock. New analysis about 2010 deadly Indonesia tsunami earthquake may help save lives 2020-01-10T05:00:00Z The light blue areas are continental shelves, the white is ice of the Karoo Glaciation, and the red line shows subduction of oceanic crust beneath Laurentia. Physical Geology 2015-01-01T00:00:00Z There is evidence that crustal stress is indeed almost neutral near some subduction zones10, but it is not clear whether it is commonly neutral beneath high mountains. Mountain height might be controlled by tectonic force, rather than erosion 2020-06-10T04:00:00Z Despite the depth of the trench, subduction here isn't causing active volcanism. Why Puerto Rico’s Tectonic Setting Makes Earthquakes Inevitable 2020-05-10T04:00:00Z Collision Zones—Collisions between converging continental plates create broad earthquake zones that may generate deep, large earthquakes from the remnants of past subduction events or other deep-crustal processes. An Introduction to Geology 2017-01-01T00:00:00Z Basically: Puerto Rico is stuck between two subduction zones with some pretty complex stresses and strains, so earthquakes like these are bound to happen. Puerto Rico, Devastated by Earthquakes, Needs Our Help 2020-01-11T05:00:00Z The subduction and transform boundaries along this coast also generate relatively frequent earthquakes throughout this region, as illustrated in Exercise 11.1. Physical Geology 2015-01-01T00:00:00Z Scientists described the island as being “squeezed” by two major faults known as subduction zones, where tectonic plates dive beneath one another. Puerto Rico earthquake triggers blackout, reports of injuries and at least one dead 2020-01-07T05:00:00Z New Zealand is in a subduction zone—the North Island is—so this is a subduction zone volcano, and it’s actually growing from beneath the sea. New Zealand Eruption: The Inherent Risk in Visiting Volcanoes 2019-12-10T05:00:00Z Carbon-bearing sediments are transferred by subduction to the mantle, where the carbon may be stored for tens of millions to billions of years. An Introduction to Geology 2017-01-01T00:00:00Z There is no force on Earth quite like a subduction zone. Drones reveal earthquake hazards hidden in the abyss 2019-11-14T05:00:00Z At subduction zones, water from the wet, subducting oceanic crust is transferred into the overlying hot mantle. Physical Geology 2015-01-01T00:00:00Z The biggest of those subduction zones is to the north of the island and could potentially deliver a catastrophic earthquake with a magnitude of 7 or greater. Puerto Rico earthquake triggers blackout, reports of injuries and at least one dead 2020-01-07T05:00:00Z It's as certain as sunrise: the moment there's a sizeable earthquake anywhere near the Cascadia subduction zone, nearly everyone starts wondering if it means The Big One is next. Why the Blanco Fault Zone Earthquake Is Fun, Not Fearsome 2019-09-08T04:00:00Z Some plate boundaries look like they should be active, but show no evidence of subduction. An Introduction to Geology 2017-01-01T00:00:00Z While that’s far less powerful than a magnitude 9 subduction zone megaquake, a quake of that size near any city in the state would be devastating. Friday earthquakes on a crustal fault show it’s not only the ‘Big One’ we should fear 2019-07-12T04:00:00Z At subduction zones, the average magma composition is likely to be close to intermediate, but as we’ve seen, magma chambers can become zoned and so compositions ranging from felsic to mafic are possible. Physical Geology 2015-01-01T00:00:00Z The local subduction zone, plus Basin and Range crustal stretching and faulting, also produces active volcanoes. Oregon Is About to Get a Lot More Hazardous 2019-07-07T04:00:00Z The entire Juan de Fuca system, from mid-ocean ridge to subduction zone, is a fantastically convenient plate tectonics lab plunked down within easy reach of some of the finest universities in the country. Why the Blanco Fault Zone Earthquake Is Fun, Not Fearsome 2019-09-08T04:00:00Z In some subduction zones, tensional forces working on the continental plate create a backarc basin on the interior side of the volcanic arc. An Introduction to Geology 2017-01-01T00:00:00Z If there is anything that my reporting on the Cascadia subduction zone made horrifyingly clear, it is that, when the tsunami hits, virtually nothing and almost no one within the inundation zone will survive. Oregon’s Tsunami Risk: Between the Devil and the Deep Blue Sea 2019-07-01T04:00:00Z At a subduction zone, oceanic crust is forced down into the hot mantle. Physical Geology 2015-01-01T00:00:00Z The Oregon coast is extremely susceptible to tsunamis, both generated from Cascadia and from other subduction zones along the Pacific Ocean. Oregon Is About to Get a Lot More Hazardous 2019-07-07T04:00:00Z The only mentions of Cascadia are referring to the Cascadia Depression, which is a far, far different structure than the subduction zone. Why the Blanco Fault Zone Earthquake Is Fun, Not Fearsome 2019-09-08T04:00:00Z When the descending slab subducts at a low angle, there is more contact between the slab and the overlying continental plate than in a typical subduction zone. An Introduction to Geology 2017-01-01T00:00:00Z Tectonic plates—those interlocking slabs of Earth’s crust that fit together like puzzle pieces—constantly move about, with some slipping below others and diving into the planet’s interior in a process called subduction. Venus, Earth's Evil Twin, Beckons Space Agencies 2019-06-12T04:00:00Z Dendrochronology has been used to date the last major subduction zone earthquake on the coast of B.C., Physical Geology 2015-01-01T00:00:00Z Moreover, volcanic activity and the burial of carbon at subduction zones affect the global climate, and therefore erosion. Role of major erosion events in Earth’s dynamics 2019-06-04T04:00:00Z Tectonic plates — those interlocking slabs of Earth’s crust that fit together like puzzle pieces — constantly move about, with some slipping below others and diving into the planet’s interior in a process called subduction. Venus is Earth’s evil twin — and space agencies can no longer resist its pull 2019-06-04T04:00:00Z Oceanic-continental subduction occurs when an oceanic plate dives below a continental plate. An Introduction to Geology 2017-01-01T00:00:00Z This "flat-slab" subduction doesn't tend to generate volcanoes, and also tends to produce large intermediate-depth earthquakes within the descending slab itself. Why Peru's M8 Earthquake Was Damaging, but Not Catastrophic 2019-06-01T04:00:00Z Tsunami, which are almost all related to large subduction earthquakes, can be devastating. Physical Geology 2015-01-01T00:00:00Z Duarte says that the structure in the tectonic plate, and the process that caused it, may correspond to the initiation of a new “subduction zone” – the process by which a tectonic plate plunges below another. Tectonic plate 'peeling apart' could 'shrink' the Atlantic, scientists say 2019-05-09T04:00:00Z The region is the location of most of Earth's subduction zones, where oceanic plates slide under the lighter continental plates. 6.2 magnitude earthquake rumbles near coast of Ecuador; no injuries or damage reported 2019-03-31T04:00:00Z When continental plates converge, during the closing of an ocean basin, for example, subduction is not possible between the equally buoyant plates. An Introduction to Geology 2017-01-01T00:00:00Z So if you're on a subduction zone, hope that the Big One will be intermediate depth. Why Peru's M8 Earthquake Was Damaging, but Not Catastrophic 2019-06-01T04:00:00Z Episodic slip on the middle part of the Cascadia subduction zone is thought to result in an increase in the stress on the upper part where large earthquakes take place. Physical Geology 2015-01-01T00:00:00Z “What we may be witnessing here is precisely the birth of a new subduction zone that may spread over the entire Atlantic which will eventually lead to its closing.” Tectonic plate 'peeling apart' could 'shrink' the Atlantic, scientists say 2019-05-09T04:00:00Z The Andes formed as a result of the Farallon and Nazca tectonic plates under the Pacific Ocean being driven against and beneath South America, a process called subduction. Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z Without subduction, there is no magma formation and no volcanism. An Introduction to Geology 2017-01-01T00:00:00Z But in Seattle, where the threat to tall buildings is higher than in California because of the power and nature of subduction zone earthquakes, there have been no efforts to identify potentially dangerous high-rises. How safe are Seattle’s high-rises? New study predicts stronger earthquake shaking 2018-12-21T05:00:00Z Composite volcanoes are normally associated with subduction, and while their magma tends to be intermediate on average, it can range all the way from felsic to mafic. Physical Geology 2015-01-01T00:00:00Z With subduction established, water, like oceanic crust, would cycle between Earth’s surface and mantle. The Earth’s Shell Has Cracked, and We’re Drifting on the Pieces 2018-12-18T05:00:00Z What exactly is the connection between Andean mountain building and subduction? Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z Hotspots are the only types of volcanism not associated with subduction or rifting zones at plate boundaries; they seem totally disconnected from any plate tectonics processes, such as earthquakes. An Introduction to Geology 2017-01-01T00:00:00Z The magnitude 8.1 subduction zone earthquake that devastated Mexico City in 1985 occurred more than 200 miles away, but violent shaking amplified by the underlying basin collapsed nearly 400 buildings — mostly newer mid- to high-rises. How safe are Seattle’s high-rises? New study predicts stronger earthquake shaking 2018-12-21T05:00:00Z Most blueschist forms in subduction zones, continues to be subducted, turns into eclogite at about 35 km depth, and then eventually sinks deep into the mantle — never to be seen again. Physical Geology 2015-01-01T00:00:00Z Similarly, blueschists are rocks that are fashioned under very high pressure but low temperatures, and “the only place you can do that is in a subduction zone,” Dr. Stern said. The Earth’s Shell Has Cracked, and We’re Drifting on the Pieces 2018-12-18T05:00:00Z They suggest that there was a period without subduction along the west coast of South America, before the Andes existed, and that subduction initiation is the key to understanding the birth of this mountain range. Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z The process of subduction expels water from hydrated minerals in the descending slab, which causes flux melting in the overlying mantle rock. An Introduction to Geology 2017-01-01T00:00:00Z The other was focused on subtle seismic signals along the Cascadia subduction zone off the coast of the Pacific Northwest. Scientists claim progress in earthquake prediction 2018-12-17T05:00:00Z In only a few places in the world, where the subduction process has been interrupted by some tectonic process, has partially subducted blueschist rock returned to the surface. Physical Geology 2015-01-01T00:00:00Z Recent research has shown that ophiolites are not just any slice of oceanic crust, Dr. Stern said, but rather were formed by the forces of subduction. The Earth’s Shell Has Cracked, and We’re Drifting on the Pieces 2018-12-18T05:00:00Z The results reveal that subduction was initiated around 80 million years ago, and slowly propagated from north to south. Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z In western North America, an active plate margin had started with subduction, controlling most of the tectonics of that region in the Mesozoic. An Introduction to Geology 2017-01-01T00:00:00Z The subduction zone is off the coast of northern California, Oregon, Washington state and British Columbia. Scientists claim progress in earthquake prediction 2018-12-17T05:00:00Z Figure 7.17 c: Regional metamorphism of oceanic crust at a subduction zone. Physical Geology 2015-01-01T00:00:00Z The new map reflects recent scientific insights into earthquake risk around subduction zones, where one plate of Earth's crust slides beneath another in places such as Japan and Chile. Earthquake-risk maps pinpoint world’s most vulnerable areas 2018-12-06T05:00:00Z The subducting slabs first interacted with the lower mantle 10 million to 30 million years after subduction initiation. Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z Maybe the most significant tectonic feature that occurred in the Cenozoic of North America was the conversion of the west coast of California from a convergent boundary subduction zone to a transform boundary. An Introduction to Geology 2017-01-01T00:00:00Z In a subduction quake, the shaking won’t be as intense but will last several minutes. Seattle, suburbs would lose all water pressure within 24 hours of catastrophic earthquake, city study says 2018-12-02T05:00:00Z Along subduction zones, as described above, the cold oceanic crust keeps temperatures low, so the gradient is typically less than 10°C/km. Physical Geology 2015-01-01T00:00:00Z Much of Alaska lies in what geophysicists call a subduction zone, where one of the earth’s huge surface plates is slowly sliding beneath another. Earthquake Shreds Highways and Sows Panic in South Central Alaska 2018-11-30T05:00:00Z Chen and colleagues’ reconstruction also suggests that subduction initiation along central and southern South America explains the lull and the subsequent increase in Andean magmatism that occurred around 80 million years ago. Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z Thus, as the subduction zone consumed the mid-ocean ridge, the relative movement became transform instead of convergent, which went on to become the San Andreas Fault System. An Introduction to Geology 2017-01-01T00:00:00Z The consultants analyzed the distribution pipes separately, determining about 2,000 repairs would be needed after a Seattle-fault quake and about 1,400 after a subduction quake. Seattle, suburbs would lose all water pressure within 24 hours of catastrophic earthquake, city study says 2018-12-02T05:00:00Z Figure 10.10 Cross-section through the Aleutian subduction zone with a depiction of the increasing depth of earthquakes “inshore” from the trench. Physical Geology 2015-01-01T00:00:00Z That sliding, or subduction, leads to friction between the two plates that can build up until it is released in what is called a megathrust earthquake. Earthquake Shreds Highways and Sows Panic in South Central Alaska 2018-11-30T05:00:00Z An open question concerns the history of Andean subduction before 90 million years ago; this will be crucial for understanding what caused the slab gap. Lost tectonic history recovered from Earth’s deep mantle 2019-01-22T05:00:00Z Convergent boundary movement is divided into two types, subduction and collision, depending on the density of the involved plates. An Introduction to Geology 2017-01-01T00:00:00Z For a Cascadia megaquake, a large earthquake in the subduction zone off Washington’s coast, Tobin estimated that the ShakeAlert system could provide between 10 seconds and a minute of early warning for Seattle. Congressional bill would keep early earthquake-warning-system projects on track, if Trump signs it 2018-11-30T05:00:00Z A subduction zone will develop, and the oceanic plate will begin to descend under the continent. Physical Geology 2015-01-01T00:00:00Z Figure 1 | Hydration of the Pacific tectonic plate at the Mariana subduction zone. Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z By contrast, the subduction zone in Japan is 130 million years old. The massive 2017 Mexican earthquake split a tectonic plate in two, and geologists are shaken 2018-10-25T04:00:00Z When plates of different densities converge, the higher density plate is pushed beneath the more buoyant plate in a process called subduction. An Introduction to Geology 2017-01-01T00:00:00Z In some areas, called subduction zones, one tectonic plate dives under another, grinding chunks of oceanic crust down into the mantle. Why Diving Tectonic Plates Get Stuck 400 Miles beneath Earth's Surface 2018-10-13T04:00:00Z As we saw for the Cascadia subduction zone, this is where large subduction earthquakes are expected to occur. Physical Geology 2015-01-01T00:00:00Z First, how variable is the water content in the oceanic plate at a range of depths and scale lengths along subduction zones? Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z Tectonic plates are constantly moving around the Earth's surface and bumping up against each other, either forming mountains or sliding under one another, forming the aforementioned subduction zone. The massive 2017 Mexican earthquake split a tectonic plate in two, and geologists are shaken 2018-10-25T04:00:00Z When continental plates converge without subduction occurring, this process is called collision. An Introduction to Geology 2017-01-01T00:00:00Z The largest tsunamis in the world are generated from what’s known as subduction zones, in which one tectonic plate slides underneath another. Catastrophic Indonesia tsunami shows critical blind spot in warning system for California and beyond - Los Angeles Times 2018-10-02T04:00:00Z The frequency of earthquakes is greatest near the surface and especially around the area where large subduction quakes happen, but it extends to at least 400 km depth. Physical Geology 2015-01-01T00:00:00Z But for now, Cai and colleagues’ results have taken us a big step closer to understanding the total water input at subduction zones. Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z The age and temperatures of subduction zones vary, with temperatures getting cooler as they move outward. The massive 2017 Mexican earthquake split a tectonic plate in two, and geologists are shaken 2018-10-25T04:00:00Z All subduction zones have a forearc basin, a feature of the overriding plate found between the volcanic arc and oceanic trench. An Introduction to Geology 2017-01-01T00:00:00Z These subduction zones, where one of the plates dips beneath the other during collisions, occur offshore of Washington, Canada, Alaska, Russia, Japan and, yes, Indonesia. What Caused the Massive Magnitude-7 Indonesian Earthquake? 2018-08-06T04:00:00Z The double line along the northern edge of the India Plate indicates convergence, but not subduction. Physical Geology 2015-01-01T00:00:00Z The subduction zones at which the tectonic plates beneath the sea thrust into the deep Earth act as gigantic conveyer belts, carrying water, fluids and volatile compounds into our planet. Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z The Cascadia subduction zone is a region where two tectonic plates are colliding. Where the Pacific Northwest's "Big One" Is More Likely to Strike 2018-08-05T04:00:00Z Geologists frequently describe the bedrock here as “tortured” for having been pulverized through the subduction of the tectonic plates — the Farallon and North American — that formed this side of North America. 'Monumental' undertaking: Workers finally tame an epic landslide that reshaped the coast and blocked Highway 1 2018-07-19T04:00:00Z These volcanoes sit on the western edge of the Caribbean tectonic plate, along an active subduction zone. Lava and Ash from Fuego Volcano Kills 33 in Guatemala 2018-06-04T04:00:00Z It is interpreted that these deep earthquakes are caused by northwestward subduction of part of the India Plate beneath the Asia Plate in this area. Physical Geology 2015-01-01T00:00:00Z The final infiltration occurs at the ‘outer rise’ of a subduction zone, where the oceanic plate bends before entering the trench. Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z Cascadia is seismically very quiet compared to other subduction zones—but it’s not completely inactive. Where the Pacific Northwest's "Big One" Is More Likely to Strike 2018-08-05T04:00:00Z “Talk about the subduction earthquake in Mexico City. Talk about stocking up supplies. Talk about making connections with your neighbors. Get people to talk about it in their own communities.” Preparing Oregon’s Spanish speakers for the big earthquake 2018-05-31T04:00:00Z Most places where Earth erupts are at subduction zones, where one tectonic plate is thrust beneath another. As Hawaii’s Kilauea erupts, volcanologists swarm: ‘I expect great science from this event’ 2018-05-24T04:00:00Z Episodic tremor and slip is a periodic slow movement, accompanied by harmonic tremors, along the middle part of a subduction zone boundary. Physical Geology 2015-01-01T00:00:00Z The evidence for water entering subduction zones is clear, but several knowledge gaps have hindered attempts to quantify the total volume of water going down these hatches, even at individual subduction zones. Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z Our results provide new insights into how this subduction zone, and possibly others, behaves over geologic time frames of millions of years. Where the Pacific Northwest's "Big One" Is More Likely to Strike 2018-08-05T04:00:00Z Today’s big debates, such as the mechanics of subduction, also get a look-in. A visceral history of dinosaurs, the world through the nose of a dog and the psychological secrets of the plot twist: Books in brief 2018-04-23T04:00:00Z "The Big Ones" examines thrust faults and subduction zones; it also considers psychology and evolution. The big one is coming to California, seismologist Lucy Jones says cheerfully 2018-04-11T04:00:00Z The largest earthquakes happen at subduction zones, typically in the upper section where the rock is relatively cool. Physical Geology 2015-01-01T00:00:00Z Many studies have reported changes in extensional faulting and in crustal and upper-mantle hydration along subduction zones, and several competing factors have been proposed to contribute to these changes7,11,12. Water takes a deep dive into an oceanic tectonic plate 2018-11-13T05:00:00Z This will require more research and dense active monitoring of the subduction zone, both onshore and offshore, using seismic and GPS-like stations to capture short-term phenomena. Where the Pacific Northwest's "Big One" Is More Likely to Strike 2018-08-05T04:00:00Z Many such quakes occur at subduction zones, where one plate of Earth’s crust dives beneath another. Gentle ‘slow slip’ earthquakes belie hidden danger 2018-04-09T04:00:00Z The worst tsunamis generally occur on a different type of system, known as a subduction zone earthquake, in which faults produce a great deal of vertical motion. 5.3 magnitude earthquake rattles, but too weak to cause tsunami Along subduction zones, as we saw in Chapter 10, earthquakes are very abundant, and they are increasingly deep on the landward side of the subduction zone. Physical Geology 2015-01-01T00:00:00Z Together, the studies aim to build a detailed picture of the guts of the subduction zone. Drilling project probes New Zealand’s risk of killer quakes 2018-03-06T05:00:00Z There is an absolutely marvelous episode on Cascadia that tells you precisely how terrifying that subduction zone is, and explores in some detail the consequences Vancouver, Seattle, and Portland will face when the fault rips. Geologic Mayhem on Netflix 2018-02-10T05:00:00Z The earthquakes especially prone to producing tsunamis are the ones that occur where an oceanic plate scoots underneath a continental plate, called a subduction zone. Today’s faulty tsunami warning is a reminder that tsunamis can happen on the US East Coast, too 2018-02-06T05:00:00Z The margins of the Pacific are where the tectonic process known as subduction is readily apparent. For Tsunami Forecasters, Speed Is Everything 2018-01-23T05:00:00Z The Alaska subduction zone is the source of many earthquakes, including the one in 1964 that, at magnitude 9.2, was the second largest ever recorded. Earthquake Shakes Alaska and Sends a Shudder of Alarm Along the Coast 2018-01-23T05:00:00Z “It basically lit up the subduction zone in slow slip,” says Wallace. Drilling project probes New Zealand’s risk of killer quakes 2018-03-06T05:00:00Z Just south of Alaska, the Pacific plate is sliding underneath the North American plate, an area called the subduction zone. A powerful earthquake in Alaska didn’t trigger a big tsunami — here’s why 2018-01-23T05:00:00Z Unlike the Pacific Ocean, there aren’t any major subduction zones in the Atlantic except the ones underneath the Caribbean Sea. Today’s faulty tsunami warning is a reminder that tsunamis can happen on the US East Coast, too 2018-02-06T05:00:00Z In subduction, one large section of the earth — a plate — slides slowly under another, as the earth’s surface recycles itself over geologic time. For Tsunami Forecasters, Speed Is Everything 2018-01-23T05:00:00Z Experts believe that the quake was caused by the rupture of a stretch of the subduction zone associated with the Japan Trench, which separates the Eurasian Plate from the downward-sliding Pacific Plate. Gravity reveals true size of giant quakes 2017-12-01T05:00:00Z This subduction zone sees considerable friction between the two plates, and over time, tension snaps and creates earthquakes. What You Need to Know About Bali's Rumbling Volcano 2017-11-27T05:00:00Z When earthquakes happen on the subduction zone itself, where one plate is pushing down while the other is going up, then high waves form. A powerful earthquake in Alaska didn’t trigger a big tsunami — here’s why 2018-01-23T05:00:00Z The Caribbean is a different story because there’s a subduction zone right beneath the Caribbean Sea, according to the US Geological Survey. Today’s faulty tsunami warning is a reminder that tsunamis can happen on the US East Coast, too 2018-02-06T05:00:00Z Peacock, S. A. Fluid processes in subduction zones. Hydrogen-bearing iron peroxide and the origin of ultralow-velocity zones 2017-11-21T05:00:00Z "We may be seeing evidence for the process of subduction starting on Venus today," she says. Armed with tough computer chips, scientists are ready to return to the hell of Venus 2017-11-22T05:00:00Z At a rate of less than an inch per year, the Arabia plate slides toward the northeast underneath the Eurasia plate, marking off a “subduction zone” that stretches underneath western Iran. Deadliest Earthquake of 2017 Rocks Iran and Iraq 2017-11-13T05:00:00Z This subduction zone yields periodic earthquakes, which release the energy building up as the plates push against each other. Scientists in Mexico scrambling to deploy net of seismic sensors 2017-10-20T04:00:00Z Indonesia is home to one of the Earth's most active subduction zones. Why This Massive Mud Volcano Turned Deadly 2017-10-19T04:00:00Z This so-called subduction zone yields periodic earthquakes, which release the energy building up as the plates push against each other. Scientists in Mexico Scramble to Deploy Seismic Sensors 2017-10-02T04:00:00Z When this happened, the Pacific plate was lodged under the Australian plate, creating a subduction zone. 'Lost Continent' Expedition Provides Clues to Earth's History 2017-09-27T04:00:00Z The tectonic stresses caused by so much subduction and transform faulting lead to some world-class earthquakes and violent volcanoes. Disaster Geology: A Tale of 2 Mexican Earthquakes 2017-09-24T04:00:00Z The 1985 quake and the one on Tuesday occurred in the same subduction zone, an area where one of the earth’s large crustal plates is sliding under another. Mexico City Quake Jolts Complacency Over Code Enforcement 2017-09-23T04:00:00Z In short, felsic rocks form when mafic ones are pushed deep inside Earth—possibly when one tectonic plate slips under another in a process called subduction. Scientists Closing in on Dawn of Plate Tectonics 2017-09-22T04:00:00Z The other, the Cascadia subduction zone, runs along the Pacific Coast on the western borders of Oregon and Washington. Why Two Major Earthquakes Hit Mexico, Explained 2017-09-20T04:00:00Z “This might happen in other subduction zones in other parts of the world.” Unusual Mexico earthquake may have relieved stress in seismic gap 2017-09-11T04:00:00Z In Washington, intraslab quakes are much more common than subduction zone quakes. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z And they slip under one another in a process called subduction, sliding deep into the planet’s innards and producing volcanoes that spew gases into the atmosphere. Earth's Tectonic Activity May Be Crucial for Life -- and Rare in Our Galaxy 2017-07-20T04:00:00Z Take Iceland, for example—because the island is far from any subduction zones high numbers of light-colored rocks simply do not form—hence the island’s endless black lava fields and black-sand beaches. Scientists Closing in on Dawn of Plate Tectonics 2017-09-22T04:00:00Z There are two subduction zones in the United States. Why Two Major Earthquakes Hit Mexico, Explained 2017-09-20T04:00:00Z The latest ocean-bottom gauges developed by the Scripps–Washington team are arranged in a rough line from near the Oregon coast all the way to the subduction zone. The fight to save thousands of lives with sea-floor sensors 2017-06-20T04:00:00Z The powerful 8.1-magnitude quake that struck Mexico this morning occurred near an offshore region called a subduction zone, where a seafloor tectonic plate dives under a continent. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z This is an area that is filled with faults - the bones of the mountain crack and groan as they're pushed up and up by the subduction zone offshore. Bad Signs 2017-06-04T04:00:00Z In each case, the Australian and Pacific plates of Earth’s crust ground against one another extremely slowly, at a dangerous interface known as a subduction zone. Ripple effects of New Zealand earthquake continue to this day 2017-04-23T04:00:00Z The subduction zone responsible for the two recent quakes runs along the western coast of Central America, from Central Mexico to Panama, said Gavin Hayes, a research geophysicist with the United States Geological Survey. Why Two Major Earthquakes Hit Mexico, Explained 2017-09-20T04:00:00Z On the northern side of the border, Ocean Networks Canada has a similar-length cable looping out to the subduction zone. The fight to save thousands of lives with sea-floor sensors 2017-06-20T04:00:00Z A similar subduction zone, called Cascadia, lurks off the coast of the Pacific Northwest. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z In the modern ocean, life thrives in and around the vents that form near seafloor spreading ridges or subduction zones—places where Earth’s tectonic plates are pulling apart or grinding together. 3.77-billion-year-old fossils stake new claim to oldest evidence of life 2017-03-01T05:00:00Z Rocks as old as the ones in the new study rarely survive the weathering, erosion, subduction and deformation of our geologically active Earth. Newfound 3.77-billion-year-old fossils could be earliest evidence of life on Earth 2017-03-01T05:00:00Z Other subduction zones are found across the globe — and experts say they are responsible for the world’s most powerful earthquakes. Why Two Major Earthquakes Hit Mexico, Explained 2017-09-20T04:00:00Z At other subduction zones, scientists monitor geological activity and assess the risk of future big quakes by listening to the patterns of smaller ones. The fight to save thousands of lives with sea-floor sensors 2017-06-20T04:00:00Z These so-called intraslab quakes are generally less powerful than subduction zone quakes, and their destructiveness can be blunted because they occur 30 miles or more below ground. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z The trench marks a subduction zone, where one slab of crust slides beneath another. Expedition probes ocean trench’s deepest secrets 2017-01-11T05:00:00Z But Nooner thinks it’s a good start toward ultimately understanding more complicated volcanoes, like those along subduction zones that pose threats to people. Underwater network gives scientists a rare glimpse into deep-sea volcanoes 2016-12-15T05:00:00Z But there’s little chance it would be enough to trigger a more powerful subduction zone quake. Offshore quake not on more dangerous Cascadia Subduction Zone 2016-12-08T05:00:00Z Called the Cascadia subduction zone, this junction is 1,000 kilometres long and is part of the ‘ring of fire’, a series of similar features that encircle the Pacific Ocean. The fight to save thousands of lives with sea-floor sensors 2017-06-20T04:00:00Z But after analyzing the seismic signals, scientists now say the Mexico quake was not actually on the subduction zone, but below it. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z The 2011 earthquake released hundreds of years of pent-up stress within the subduction zone and triggered an enormous tsunami that inundated the Fukushima Daiichi power plant, eventually causing a nuclear meltdown. Japan earthquakes and the Ring of Fire 2016-11-25T05:00:00Z The disappearance of these slabs, called subduction, makes it difficult to reconstruct oceans as they existed hundreds of millions of years ago, as well as the mountains flanking them. 'Atlas of the Underworld' reveals oceans and mountains lost to Earth's history 2016-11-22T05:00:00Z The earthquake occurred in the Hikurangi Trench, a subduction zone where one tectonic plate slides under another. New Zealand Struck by Powerful Earthquake 2016-11-13T05:00:00Z With one possible exception—the similarly unlucky town of Long Beach, Washington—no other place on the West Coast is as imperilled by the Cascadia subduction zone as Seaside. The Really Small Ones 2016-11-04T04:00:00Z In a subduction zone quake, tectonic plates jerk past each other. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z In what are known as subduction zones, one plate bends and slides underneath the other, causing the oceanic crust to sink into the Earth’s mantle. Japan earthquakes and the Ring of Fire 2016-11-25T05:00:00Z T-Limit’s target is the Nankai Trough, perched atop the subduction zone where the Philippine Sea Plate dives beneath the Eurasian Plate. Deep-sea drilling expedition to look for life's limits in scalding environments 2016-09-07T04:00:00Z Some faults are more susceptible to tidal triggering than others, such as offshore faults like the Cascadia subduction zone off the Pacific Northwest coast, scientists said. Some earthquakes on San Andreas fault triggered by gravitational tug of sun and moon 2016-07-18T04:00:00Z Sea-floor sensors will monitor the Cascadia subduction zone off British Columbia to provide crucial seconds of warning if the ‘big one’ hits. Canadian earthquake detector has deep-sea edge over US rival 2016-06-21T04:00:00Z When they strike offshore, intraslab quakes are also less likely than subduction zone quakes to trigger huge tsunamis. Jolting similarities between 2001 Nisqually quake and 8.1 shake in Mexico 2017-09-08T04:00:00Z The mission off the Pacific Northwest is intended to find “methane seeps,” where the natural greenhouse gas is released from the ocean floor along the Cascadia subduction. Robot submarine streams live from ocean off Oregon coast 2016-06-13T04:00:00Z The Aleutians are closer to Hawaii than any other subduction zone, or spot where the earth's tectonic plates collide. Hawaii scholars study chances of giant Alaska quake, tsunami 2016-05-18T04:00:00Z But in the United States and many other countries, the costliest and most deadly faults are inland, whereas the subduction zone coastline is sparsely populated. Five myths about the Pacific Rim 2016-04-28T04:00:00Z Rather, according to the geological survey, the earthquake occurred at shallow depth along a different kind of fault — called a strike-slip — in the top of the Eurasia plate, above any subduction zone. Are Earthquakes in Japan and Ecuador Related? The Science Says No 2016-04-17T04:00:00Z For the subduction zone east of northern Honshu, where the Tohoku quake originated, the characteristic earthquake was considered to be in the lower magnitude-eight range. Shaken Beliefs: Seismic Lessons from Japan’s Tohoku Earthquake 2016-03-11T05:00:00Z “I think potential for a tsunami is very small,” because the quake didn’t occur along a major fault known as a subduction zone, he told TVOne. Powerful earthquake strikes near Indonesia 2016-03-02T05:00:00Z The subduction zone, west of California’s North Coast, Oregon and Washington state, is capable of producing a magnitude-9 earthquake and tsunami that could wash away coastal towns, destroy U.S. Quake early warning system gets $3.6 million, but it's still a long way from goal 2016-02-03T05:00:00Z A tragic month along the tectonic subduction zones that surround the Pacific Rim has also been a spellbinding one for seismologists. Five myths about the Pacific Rim 2016-04-28T04:00:00Z A megathrust quake occurs in the boundary zone where one of the planet’s tectonic plates is sliding under another, a process called subduction. Are Earthquakes in Japan and Ecuador Related? The Science Says No 2016-04-17T04:00:00Z They suggest that the contrasting rock types, with their distinct geologic histories, created differences in friction along the subduction zone. Shaken Beliefs: Seismic Lessons from Japan’s Tohoku Earthquake 2016-03-11T05:00:00Z The subduction zone stretches from Prince William Sound to Japan along the Aleutian Trench. Four out of five U.S. earthquakes occur in Alaska, which is positioned along the intersection of two great, moving tectonic plates 2016-01-25T05:00:00Z As subduction ramped up beneath it, the overlying oceanic plateau stretched and broke, creating familiar geologic features such as spreading centers and transform faults. How the shell of ancient Earth cracked, giving rise to moving continents 2015-11-11T05:00:00Z It was killed more than 1,000 years ago when a massive subduction zone quake dropped the coastline and drowned the forest. Is the West Coast Toast? Let's Talk Cascadia! 2015-08-05T04:00:00Z Geological evidence points to similarly destructive subduction zone earthquakes in the region every 200 to 600 years, which means the next one could happen anytime in the next three centuries. Notes from the underground 2015-07-19T04:00:00Z The coastal area near Sendai, where the subduction zone is about fifteen miles down, was shoved an astonishing fourteen feet eastward. Shaken Beliefs: Seismic Lessons from Japan’s Tohoku Earthquake 2016-03-11T05:00:00Z Known as the Cascadia subduction zone, it runs for seven hundred miles off the coast of the Pacific Northwest, beginning near Cape Mendocino, California, continuing along Oregon and Washington, and terminating around Vancouver Island, Canada. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z That’s important because plate tectonics not only requires subduction—it also requires multiple plates. How the shell of ancient Earth cracked, giving rise to moving continents 2015-11-11T05:00:00Z The arrangement is similar to the undersea subduction zones off of Alaska and Japan, where one continental plate pushes under another. Mount Everest Moves 1 Inch After Earthquake 2015-06-18T04:00:00Z Oceanic crust tends to be heavier than continental crust, so for the most part the Juan de Fuca Plate is diving beneath the North American Plate in a process called subduction. Notes from the underground 2015-07-19T04:00:00Z This begins a process of collision with the adjacent plate, a phenomenon called subduction. The Upper Crust in a Tectonic Plate Collision 2015-06-01T04:00:00Z If, on that occasion, only the southern part of the Cascadia subduction zone gives way—your first two fingers, say—the magnitude of the resulting quake will be somewhere between 8.0 and 8.6. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z Geologists knew there was one subduction zone where the Indian plate dived under Asia. Indian Subcontinent’s Quake-Causing Collision Course 2015-05-18T04:00:00Z The preliminary location, size and focal mechanism of the April 25 earthquake are consistent with its occurrence on the main subduction thrust interface between the India and Eurasia plates. Long-Predicted Death Toll in Nepal Earthquake Reflects Wider Himalayan Seismic Risk 2015-04-25T04:00:00Z But he was more cautious about the group’s finding that “slab pull” from subduction isn’t as important a factor. Earth's tectonic plates skitter about 2015-03-20T04:00:00Z My gut feeling is that the regional and local geologic context, when added to the commonalities shared by subduction zones, will keep them unpredictable. What Science Can, and Can't Do, to Cut Losses from the Next Tsunami 2014-12-26T05:00:00Z The truly worrisome figures in this story are these: Thirty years ago, no one knew that the Cascadia subduction zone had ever produced a major earthquake. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z With an island arc between Asia and India, there would have been two subduction zones pulling on India, which could explain the high velocity of India. Indian Subcontinent’s Quake-Causing Collision Course 2015-05-18T04:00:00Z “What is extraordinary is that all of Cascadia is quiet. It’s extraordinarily quiet when you compare it to other subduction zones globally,” Toomey said in an interview. Oregon Moves Toward Girding Schools Against an Inevitable Great Quake 2014-12-11T05:00:00Z More than 140 seismo-meters constantly monitor earthquakes around the basin, including in the quake-prone ‘subduction’ zones off Indonesia and the coast of Pakistan, where one plate of Earth’s crust grinds under another. Tsunami alerts fail to bridge the ‘last mile’ 2014-12-09T05:00:00Z But without high-resolution images from more areas, researchers cannot tell whether subduction might also be happening in other locations. Plate tectonics found on Europa 2014-09-06T04:00:00Z But, sooner or later, every field has its field day, and the discovery of the Cascadia subduction zone stands as one of the greatest scientific detective stories of our time. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z That’s similar to what happens on Earth, where volcanoes happen on one side of a subduction boundary but not the other. Europa: How the Coolest Moon in The Solar System Just Got Cooler 2014-09-07T04:00:00Z Named the Cascadia Initiative, it is rotating among subduction zone segments offshore of Washington, Oregon and Northern California. Oregon Moves Toward Girding Schools Against an Inevitable Great Quake 2014-12-11T05:00:00Z But subduction zones are much tougher to study than landlocked faults. Deep mission: Japan takes aim at the source of megaquakes 2014-08-31T04:00:00Z Because the Clipper would carry a range of instruments, it could investigate subduction zones, explore plumes and respond to a variety of other research questions, says Prockter. Plate tectonics found on Europa 2014-09-06T04:00:00Z The Ring of Fire, it turns out, is really a ring of subduction zones. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z Paros just hopes they can be put to work in the Northwest before the subduction zone rips again. Redmond company makes tsunami, quake sensors for Japan 2014-08-30T04:00:00Z "There is still a lot of stored strain in this subduction zone, meaning the hazard still remains," Hayes said. Big Earthquake Looms for Chile 2014-08-14T04:00:00Z Japan is already considering proposals to dispatch the vessel to subduction zones off Costa Rica and New Zealand. Deep mission: Japan takes aim at the source of megaquakes 2014-08-31T04:00:00Z But the Okhotsk earthquake was in a subduction zone, where a fault thrusts one of Earth's tectonic plates down below another plate. Supersonic Earthquake Shook Kamchatka 2014-07-14T04:00:00Z By contrast, other subduction zones produce major earthquakes occasionally and minor ones all the time: magnitude 5.0, magnitude 4.0, magnitude why are the neighbors moving their sofa at midnight. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z The key to understanding the significance of foreshock sequences and slow slip on subduction zones is a dense network of seafloor sensors that can track those motions, Brodsky said. Scientists say some quakes may be predictable 2014-05-15T04:00:00Z Major quakes that burst at subduction zones, the most tectonically active places on Earth, are known as megathrust earthquakes. Big Earthquake Looms for Chile 2014-08-14T04:00:00Z There, the worry is the Cascadia subduction zone, a fault system that runs from Vancouver to Northern California, roughly 100 miles offshore. Promises of Preparedness Followed Devastating Earthquakes. And Yet. 2014-04-13T21:42:22Z This is why I love the word subduction. The Seduction of Subduction 2014-03-20T08:40:42Z The Cascadia subduction zone remained hidden from us for so long because we could not see deep enough into the past. The Earthquake That Will Devastate Seattle 2015-07-20T04:00:00Z Called subduction zones, such faults generate the world’s most powerful earthquakes, along with deadly tsunamis. Scientists say some quakes may be predictable 2014-05-15T04:00:00Z Plate tectonics recycles Earth's crust by pushing and pulling slabs of oceanic crust into subduction zones, where it sinks into the mantle. Rare Diamond Confirms that Earth's Mantle Holds an Ocean's Worth of Water 2014-03-12T19:58:00Z Also visible are ancient subduction zones running deep under Asia and along the Americas. Gravity satellite probes deep Earth 2014-01-27T11:09:40Z A subduction zone takes your basic rocks and makes them sublime. The Seduction of Subduction 2014-03-20T08:40:42Z These include subduction zones, where the great tectonic slabs covering the Earth's surface dive under one another. Gravity satellite probes deep Earth 2014-01-27T11:09:40Z The Sea of Okhotsk rests above a subduction zone, a place where one of the Earth's tectonic plates slides beneath another. Deep Earthquakes May Be Better at Dissipating Energy Than Shallow Ones 2013-12-18T21:15:00.396Z The quake occurred in a subduction zone, where one of the planet’s tectonic plates dives beneath another. Decoding a Tsunami’s Source 2013-12-09T23:04:33Z The mechanics of great subduction earthquakes are influenced by the frictional properties, structure, and composition of the plate-boundary fault. [Report] Structure and Composition of the Plate-Boundary Slip Zone for the 2011 Tohoku-Oki Earthquake 2013-12-05T18:56:50.987Z Both areas are volcanic in origin but differ based on their tectonic setting: one is the result of intraplate volcanism and the other is the result of subduction volcanism. Scientists Explore New Zealand s Deep Sea (Part I) 2013-11-25T20:15:08.023Z Also visible are ancient subduction zones running deep under Asia and the along the Americas. Gravity satellite probes deep Earth 2014-01-27T11:09:40Z Other COCONet stations dot Costa Rica’s Nicoya Peninsula, one of the few places on land that lie directly above a subduction zone. A network to track Caribbean hazards 2013-05-22T17:20:32.720Z “This was really different from how we thought subduction zones work,” said Patrick Fulton, an assistant researcher at the University of California, Santa Cruz. Decoding a Tsunami’s Source 2013-12-09T23:04:33Z In case of a subduction earthquake, one plate slips under another plate. GPS 'improves early tsunami alerts' 2013-05-17T13:51:29Z I don’t remember how it happened, but suddenly, I was surrounded by a gaggle of people whilst I pulled up a diagram of the local subduction zone and delivered a mini-lecture on how it works. On The Necessity of Geology 2013-03-21T13:15:03.323Z Many of the islands sit above a subduction zone, where two plates meet and one slides haltingly under the other, down into the Earth's mantle. Historic Caribbean Earthquake Was Felt in NYC 2012-12-14T02:45:00.187Z Typically, as in the Japan earthquake of March 2011 that caused a massive tsunami and the Fukushima nuclear disaster, this occurs at a subduction zone, where one plate is sliding beneath the next. 'Pop-up' idea in cause of tsunami 2012-08-24T17:47:20Z That earthquake happened at a “subduction zone,” a spot where one tectonic plate slides under another. New Nuclear Commission Chief Faces Safety Questions 2012-08-14T03:10:23Z As longtime readers here know, Oregon will inevitably be struck by a potent earthquake generated along the Cascadia subduction fault offshore. Dot Earth Blog: Oregon Moves (Slowly) to Gird Schools for Inevitable Quake 2012-07-20T15:04:41Z At first, it didn’t seem like much, just a spike in the background tectonic activity one expects in a subduction zone studded with restless volcanoes. Prelude to a Catastrophe: "One of the Most Active and Most Explosive Volcanoes in the Cascade Range" 2012-06-07T15:15:16.157Z All the most powerful earthquakes on record are so-called subduction earthquakes — the sort that happen where tectonic plates overlap. Just How Big Was the Biggest Earthquake? 2012-05-24T19:45:00.223Z The same expedition's survey produced stunning images last year of a line of underwater volcanoes being carried inexorably to the chasm of a subduction zone, the Tonga Trench. Rise and fall of marine volcano 2012-05-13T17:14:44Z This is common in subduction zones, like the one between the Indo-Australian and Eurasian plates. Sumatra: A World-Record Earthquake, but Thankfully No Tsnumai 2012-04-25T13:45:02.967Z These sediments were sheared during subduction in the boundary between two tectonic plates. Why Are There Field Geologists on a Drilling Vessel? 2012-04-15T19:15:00.317Z The biggest earthquakes tend to occur in subduction zones where one plate of the Earth's crust dives under another. 'Odd duck' Indonesia quake surprises scientists 2012-04-11T21:30:00Z These giant quakes, the most powerful quakes the planet is capable of unleashing, occur along subduction zones, where one tectonic plate dives beneath another. Just How Big Was the Biggest Earthquake? 2012-05-24T19:45:00.223Z And rock and sediment samples could help researchers to answer a host of geological questions about the subduction processes in which one tectonic plate slides under another, which were responsible for the trench's formation. 'Titanic' Director James Cameron Heads into the Ocean Abyss 2012-03-20T19:45:07.233Z For many decades, the presumption had been that some subduction zones were significantly more likely to generate a great quake. Seismic hazards: Japan earthquake and other tectonic surprises challenge scientific assumptions 2012-03-10T01:40:00Z An Arizona native transplanted to the Pacific Northwest, she's fallen deeply in love with subduction zones. M lange et Trois: A Trip Across Subduction Zone Madness 2012-03-07T22:15:00.213Z The programme got a boost when a 1992 earthquake off the coast of northern California raised concern that the Cascadian subduction zone might let loose with a giant earthquake and trigger a devastating tsunami. Tsunami forecasting: The next wave 2012-03-07T18:20:30.250Z This “subduction” action creates tension within the tectonic plates, which is occasionally released in the form of earthquakes. Fukushima Earthquake Moved Seafloor Half a Football Field 2011-12-01T20:45:05.283Z Destruction of oceanic crust, the recycling of this material back into the earth’s interior, is accomplished at subduction zones. Scientist at Work Blog: Geology Beneath the Arctic Ocean 2011-09-15T20:29:19Z Other nations are even less prepared, with few or no sensors on the sea floor, where the most dangerous parts of subduction zones lie. Earthquakes from the ocean: Danger zones 2011-08-24T17:20:32.510Z An Arizona native transplanted to the Pacific Northwest, she's fallen deeply in love with subduction zones. M lange et Trois: A Trip Across Subduction Zone Madness 2012-03-07T22:15:00.213Z As a complement to that system, the JMA plans to install three sea-floor sensors on the opposite side of the subduction zone, to catch tsunamis as they speed through the open ocean. Tsunami forecasting: The next wave 2012-03-07T18:20:30.250Z He points out that eclogite has been known to crystallize some 80 kilometers below the surface, not having necessarily needed the deeper subduction implicated in the Wilson Cycle. Flawed Diamonds Deliver Precious Details about Early Earth's Tectonics 2011-07-25T10:15:00.227Z Our observations suggest that the two rupture modes of the Tohoku-Oki earthquake reflect variations in the frictional nature of the subduction interface with depth and explain variable earthquake behavior in the Japan Trench. [Report] Shallow Dynamic Overshoot and Energetic Deep Rupture in the 2011 Mw 9.0 Tohoku-Oki Earthquake 2011-06-16T18:26:03.160Z Such subduction zones generate the planet's most powerful earthquakes, including the biggest ever recorded, a magnitude-9.5 monster off the coast of Chile in 1960. Earthquakes from the ocean: Danger zones 2011-08-24T17:20:32.510Z Mélange et Trois: A Trip Across Subduction Zone Madness Few places on Earth are so full of geological mayhem as a subduction zone. M lange et Trois: A Trip Across Subduction Zone Madness 2012-03-07T22:15:00.213Z The Murcia fault line lies reasonably close to the subduction zone where Europe and Africa collide - though, as Dr Musson explains, "most of the action is taking place off the coast of North Africa". 'Hot zone' 2011-05-12T13:59:09Z If they are correct, this would signal the start of a new subduction zone - a rare event, scientifically fascinating. Europe's future lies under Africa 2011-04-11T09:32:55Z This sequence is pretty special, though, because the Japan Trench is one of the world's most active subduction zones. When Will Japan's Aftershocks Stop? 2011-04-07T21:45:02.310Z "The seismic hazard from the Cascadian subduction zone is profound," says Maya Tolstoy of Columbia University's Lamont-Doherty Earth Observatory in New York. Earthquakes from the ocean: Danger zones 2011-08-24T17:20:32.510Z The largest earthquakes occur in subduction zones, places where an ocean plate collides with and slides under a continental plate, particularly around the edge of the Pacific Ocean. Blindsided by Ferocity Unleashed by a Fault 2011-03-21T21:00:45Z Energy Northwest’s Columbia Generating Station near Richland, Washington, is the only U.S. nuclear plant near this subduction zone. Japan’s Nuclear Reactor Containment Intact, U.S. NRC Says 2011-03-21T15:56:01Z "It looks possible that on the appropriate timescale, we are witnessing the beginning of subduction of Europe under Africa," he told BBC News. Europe's future lies under Africa 2011-04-11T09:32:55Z One of the big things about this earthquake for the people in the United States is that people are now able to visualize what a giant subduction earthquake does in a developed country. When Will Japan's Aftershocks Stop? 2011-04-07T21:45:02.310Z With better data, geophysicists hope to improve their understanding of how subduction zones work and possibly identify signs of impending disasters. Earthquakes from the ocean: Danger zones 2011-08-24T17:20:32.510Z But some subduction zones seemed to produce more large earthquakes than others. Blindsided by Ferocity Unleashed by a Fault 2011-03-21T21:00:45Z Japan’s earthquake occurred in a “subduction zone,” where one tectonic plate is pushed under another, the NRC said in a statement on its website. Japan’s Nuclear Reactor Containment Intact, U.S. NRC Says 2011-03-21T15:56:01Z And computer modelling suggests the end product of all this could be the initiation of subduction in the opposite direction from the past. Europe's future lies under Africa 2011-04-11T09:32:55Z Here, the Pacific Plate is distorted into a ridge as it approaches the subduction zone down which is must eventually travel. Tokyo's bitter 'little pill' 2011-03-21T11:35:38Z The sensors might also be able to detect changes in the locked parts of the subduction zone. Earthquakes from the ocean: Danger zones 2011-08-24T17:20:32.510Z But Robert McCaffrey, a research professor of geology at Portland State University, said he no longer believes that geophysicists can distinguish dangerous subduction zones from the not-so-dangerous ones. Blindsided by Ferocity Unleashed by a Fault 2011-03-21T21:00:45Z And the Cascadia subduction fault, which begins off northern California, is thought capable of causing a tsunami. How Prepared Are We for Nuclear Disaster? 2011-03-20T14:00:00Z Confirmation that European subduction had started could allow scientists to model the region better, and so make better assessments of earthquake and tsunami risk. Europe's future lies under Africa 2011-04-11T09:32:55Z The Pacific Northwest coast is vulnerable to quakes produced by the Cascadia subduction zone, a 950-kilometer-long fault running from northern California to Vancouver, B.C. Taking Waves: Nation's First Tsunami-Resistant Building Could Be Built on the Oregon Coast 2011-03-18T20:45:00.237Z The magnitude 8.9 earthquake on Friday, the largest ever recorded in Japan, occurred in a subduction zone, where one of the earth’s tectonic plates is sliding beneath another. Away From Japan, Tsunami?s Effect Is Diffuse 2011-03-16T19:04:50Z “We just don’t have a long enough earthquake history to make models of subduction,” he said. Blindsided by Ferocity Unleashed by a Fault 2011-03-21T21:00:45Z This subduction zone beneath the Pacific, where one tectonic plate is thrust up over another, is capable of producing the biggest quakes on Earth, on an order of magnitude higher than any recorded in California. California "big one" expected to pale next to Japan quake 2011-03-16T15:16:07Z Focal mechanism for the main shock, and cross-sections of the two possible fault orientations This is consistent with motion on the subduction interface, or 'megathrust'. Japan earthquake: The Explainer 2011-03-14T15:45:00.220Z The subduction zone, an area where one tectonic plate is forced under another, to the east of Japan still haven’t become active, Lenhardt said. Japan ‘Big One’ Raises Quake Risk for Years, Scientists Say 2011-03-14T11:21:28Z The Pacific plate is moving about 3.5 inches a year in a west-northwest direction, and in that collision — what geologists call a subduction zone — the Pacific plate dives under the North American plate. Quake Moves Japan Closer to U.S. and Alters Earth?s Spin 2011-03-14T05:07:36Z The quake occurred in what is called a subduction zone, where one of the Earth’s tectonic plates is sliding beneath another. Powerful Quake and Tsunami Devastate Northern Japan 2011-03-12T07:50:13Z Even those tsunamis, however, are small compared with the ones caused by subduction quakes at sea. California "big one" expected to pale next to Japan quake 2011-03-16T15:16:07Z There is no way to predict exactly when an earthquake will occur, but it is a 100% certainty that eventually the Cascadia subduction zone will rupture. Japan earthquake: The Explainer 2011-03-14T15:45:00.220Z "That means that on a global scale we should consider that all subduction zones are potential locations for such events," Okal said. Japan: The 'Big One' hit, but not where they thought it would 2011-03-12T00:38:01Z The Northwest, like Japan, lies in a subduction zone in which one tectonic plate plunges under another--as opposed to a shear zone like that in California where plates rub past each other horizontally. Japan Earthquake Holds Lessons, and Warnings, for Pacific Northwest 2011-03-11T23:37:54Z The 8.9 magnitude earthquake on Friday, the largest ever recorded in Japan, occurred in a subduction zone, where one of the earth’s tectonic plates is sliding beneath another. Away From Japan, Tsunami?s Effect Is Diffuse 2011-03-11T22:50:12Z This subduction zone is a very large-scale feature that is maybe hundreds to thousands of kilometers long, where the Pacific plate is going down beneath the Asian plate. How Does an Earthquake Trigger Tsunamis Thousands of Kilometers Away? 2011-03-11T20:15:00.267Z Japan is situated in a complicated plate boundary region where three subduction zones meet. Japan earthquake: The Explainer 2011-03-14T15:45:00.220Z In fact any land that is close to a subduction zone, such as California or New Zealand, are at serious risk. Q&A: Seismologist Alice Walker Discusses the Japan Quake 2011-03-11T18:00:00Z Both types of quakes can be devastating, but only quakes in subduction zones cause tsunamis. Japan Earthquake Holds Lessons, and Warnings, for Pacific Northwest 2011-03-11T23:37:54Z "The 1995 Kobe earthquake in southern Japan had about 6,500 deaths, but was different in that it was not a subduction event, and was located under a populated area." Extraordinary earthquake 2011-03-11T09:00:34Z To the east of North Island, the Pacific plate is being dragged under the Australian plate in a process called subduction. Dissecting New Zealand's deadly quake 2011-02-23T00:45:00.277Z Two of these subduction zones run parallel to the east coast of Japan. Japan earthquake: The Explainer 2011-03-14T15:45:00.220Z In the north of New Zealand, to the east of North Island, the more dense Pacific Ocean plate is pulled down beneath the lighter Australian plate in a process known as subduction. NZ quake 2011-02-22T08:28:54Z The quake, which killed more than 500 people, occurred in a subduction zone, where one tectonic plate is sliding beneath another. Stress of Sliding Plates Builds Near Chile 2011-02-07T21:21:27Z This work follows a related study by Kelley that found that material from subduction zones are more oxidized than material from mid-ocean ridges where the plates are pulling apart. Geologist's Discoveries Resolve Debate About Oxygen in Earth's Mantle 2010-12-16T15:23:00Z To the south of the country's South Island is another subduction zone, with the Australian plate being pulled under the Pacific plate. Dissecting New Zealand's deadly quake 2011-02-23T00:45:00.277Z In this case, the melts formed as a result of subduction of an ancient Pacific oceanic plate beneath Antarctica, like in the Andes or Japan today. Scientist at Work: On the Trail of Antarctica's Geological Secrets 2010-12-07T23:24:00Z Kennet and I explained to the group how they were formed, or transformed by oceanic plate subduction, 90 million years ago. Scientist at Work: Driving to See Geological Traffic Accidents 2010-11-24T00:10:00Z Today, dozens of these environments are known in subduction zones near Costa Rica; Monterey Bay, Calif.; Japan; Alaska and Antarctica. Readers' Questions on Deep-Ocean Biology 2010-09-03T15:38:00Z In 2007, he led the first American research ship into Sumatra waters in nearly 30 years to study similarities between the Indian Ocean subduction zone and that off the Northwest coast. Odds Are 1-in-3 That a Huge Quake Will Hit Northwest in Next 50 Years 2010-05-26T14:48:00Z At some point, centuries of pent-up stress in the Cascadia subduction zone will cause the plates to slip. Northwest at Risk of Megaquake Like One in Chile 2010-03-03T17:07:00Z Because subduction zones are offshore, no one is nearby. Are We Prepared for an 8.8 Quake? 2010-03-01T23:37:00Z Megathrust earthquakes occur in subduction zones where plates of the Earth's crust grind and dive. Chile quake similar to 2004 Indian Ocean temblor 2010-02-27T20:07:00Z The magnitude 8.8 earthquake of February 27, 2010 ruptured the portion of the South American subduction zone separating these two massive historical earthquakes. Latest Updates on Earthquake in Chile 2010-02-27T15:03:00Z On the contrary in great inflammation, the subduction of food, and of spirituous drink, contributes much to the cure of the disease. Zoonomia, Vol. II Or, the Laws of Organic Life And from hence lastly doth arise the solidity of the section, by addition and subduction. The Way To Geometry These were temptations which appealed to Mildred and she had determined on his subduction. Celibates The capillaries of the skin are rendered torpid by the subduction of the stimulus of heat, and by the consequent diminution of the sensorial power of irritation. Zoonomia, Vol. II Or, the Laws of Organic Life |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。