| 单词 | phreatic |
| 例句 | Outside the permanent danger zone, the volcanology institute warned people including those living on the vulnerable southeastern side of the volcano to stay alert “due to the increased possibilities of sudden and hazardous phreatic eruptions.” Philippine volcano spews ash and steam, alarms villagers 2022-06-04T04:00:00Z The initial stages of Taal’s current eruption were, in fact, such steam-driven, or phreatic, ones, and they sent ash high into the sky. Will Taal Volcano Explosively Erupt? Here’s What Scientists Are Watching 2020-01-14T05:00:00Z The phreatic explosion and ash plume were visible from the nearby city of Tagaytay, a popular spot for viewing the volcano and where tourists flock during weekends. Restive Philippine volcano prompts evacuation of thousands of residents 2020-01-12T05:00:00Z "It's possible that there's no magma involved, that it's just a phreatic eruption - a steam eruption. We don't know yet." 'No sign of life' on New Zealand volcano island 2019-12-09T05:00:00Z “Oftentimes these phreatic systems are triggered by processes going on in the magma, which are then triggering processes going on in the hydrothermal system, which then erupt,” he said. As Hawaii’s Kilauea erupts, volcanologists swarm: ‘I expect great science from this event’ 2018-05-24T04:00:00Z More than 30 people were killed when a 2014 phreatic eruption at Japan's Mount Ontake caught them unaware near the summit. ‘Explosive’ eruption at Hawaii volcano’s summit shoots ash more than five miles high 2018-05-17T04:00:00Z Two similar “phreatic” eruptions occurred Sunday at the volcano in central Albay province, unleashing more ash. Philippines raises volcano alert level to critical after lava flow 2018-01-14T05:00:00Z Two similar “phreatic” eruptions occurred at the volcano in central Albay province on Sunday, unleashing more ash. Philippines raises Mayon volcano threat level to 'critical' 2018-01-14T05:00:00Z The event we witnessed is known as a phreatic explosion. Sentinel satellites to monitor every volcano - BBC News 2017-04-19T04:00:00Z But de Moor’s research suggests studying the gases from volcanic vents in the hours and minutes leading up to an eruption might help scientists predict future phreatic events. As Hawaii’s Kilauea erupts, volcanologists swarm: ‘I expect great science from this event’ 2018-05-24T04:00:00Z A phreatic explosion killed five people at Mayon volcano in the Philippines last year. How a Deadly Volcano Erupted in Japan without Warning 2014-09-30T04:00:00Z But they are geological phenomena: sometimes, the only warning we get before something catastrophic happens is the general seismic and phreatic precursor activity, which sometimes fades away with only a murmur. The Cataclysm: "Vancouver! Vancouver! This Is It!" 2012-08-09T13:45:50.493Z On March 27th, as the first phreatic eruptions fractured the summit and sent pulverized rock billowing to 7,000 feet, they moved quickly to mitigate the risks. Prelude to a Catastrophe: "Pale-blue Flames" 2012-07-07T18:15:00.227Z There is relatively little video footage of phreatic explosions and so the BBC film, captured by camerawoman Rachel Price, will be of interest to scientists as they try to learn more about these incidents. Sentinel satellites to monitor every volcano - BBC News 2017-04-19T04:00:00Z The phreatic eruptions caused some pretty dramatic changes. Prelude to a Catastrophe: "Something Dramatic" 2012-06-21T16:45:07.023Z But Saturday's killer outburst was likely a phreatic eruption, a shallow steam explosion that is nearly impossible to predict, experts told Live Science. How a Deadly Volcano Erupted in Japan without Warning 2014-09-30T04:00:00Z A phreatic explosion tends to produce very fine ash particles, Ruprecht said. How a Deadly Volcano Erupted in Japan without Warning 2014-09-30T04:00:00Z Those phreatic eruptions had a recognizable character to the geologists avidly studying them. Prelude to a Catastrophe: "Pale-blue Flames" 2012-07-07T18:15:00.227Z Throughout the day, phreatic eruptions followed a pattern: steam and ash to begin, steam only as their finale. Prelude to a Catastrophe: "Pale-blue Flames" 2012-07-07T18:15:00.227Z A landslide of that size, or a quite large earthquake, might trigger something very different from the phreatic throat-clearing St. Helens was doing now. Prelude to a Catastrophe: "Pale-blue Flames" 2012-07-07T18:15:00.227Z |
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