Steamboat Geyser is the biggest geyser in the world when it blows, shooting water four hundred feet into the air, but the intervals between its eruptions have ranged from as little as four days to almost fifty years.

汽船泉是世界上最大的间歇泉，喷射的时候可达120米高，但喷射的间隔时间可以少到4天，多达50年。