This was said to be the cause of the Mount St Helens eruption.
据说这就是海伦火山爆发的原因。
In the early spring three decades ago, Mount St. Helens began to rumble.
在三十年前的早春，圣海伦斯山开始轰鸣。
But in the early spring three decades ago, Mount St. Helens began to rumble.
但是在三十前的春天早些时候，圣海伦火山开始隆隆作响。
“There was no money for maintenance, ” said Jeanne Bennett, director of the Mount St. Helens Institute, a private group that works with the Forest Service on education and other projects.
“这里没有维修资金，”珍妮贝内特说，在圣海伦火山研究所，一个民间团体的董事的工作与教育和其他项目森林服务。
But at 8:32 a.m. that day, after weeks of small earthquakes and belching steam, the north face of Mount St. Helens fell away, the largest landslide ever recorded.
然而，在那天的上午8点32份，在经过几周的小地震和蒸发沸腾以后，圣海伦火山的背面坍塌，形成了有史以来最大的一次山体滑坡。
A wisp of smoke escapes from Mount St. Helens' dramatic eggshell-shaped crater after an eruption.
一小股烟从爆发后的圣海伦斯火山蛋壳型的火山口倾泻而出。
“Mount St. Helens allows us to evaluate things we could not evaluate anywhere else, ” Mr. Crisafulli said.
“圣海伦山给了我们一个在任何其他地方都无法模拟的平台”克里萨弗林说。
Mount St. Helens After eruption.
喷发后的圣海伦斯火山。
Like rapidly rising bread dough, the north slope of Mount St. Helens grew and grew, sometimes by ten feet a day.
就像膨胀的面包团，圣海伦火山的北侧越长越大，有时候一天可以增长10英尺。
The volume of the landslide debris is more than 1,000 times greater than that from the May 18, 1980, debris avalanche from Mount St. Helens.
山泥倾泻产生的泥石体积是 1980 年5 月18 日圣海伦山岩屑崩落的 1000多倍。
The volume of the landslide debris is more than 1, 000 times greater than that from the May 18, 1980, debris avalanche from Mount St. Helens.
山泥倾泻产生的泥石体积是1980年5月18日圣海伦山岩屑崩落的1000多倍。
I was extremely nervous of mount St. Helens erupting.
我非常紧张，害怕圣。海伦斯火山爆发。
On Mount St. Helens, a volcanic formation seems to come to life as it exhales a cloud of steam.
在圣海伦火山上，一块火山形成物正在喷云吐雾，仿佛活了一般。
The eruption of Mount St. Helens in 1980 was the direct result of plate subduction.
圣海伦火山在 1980 年的喷发是板块沉降的直接结果。
Mount St. Helens vented a new column of steam October 10, a lazy plume that rose out of the crater of the snow-dusted volcano.
10月10日，一股蒸汽从圣海伦斯火山口喷发出来，这缕烟从白雪覆盖的火山口缓缓升起。
The Eruption of Mount St. Helens!
又名圣海伦火山爆发！
The Eruption of Mount St. Helens!
又名圣海伦火山爆发！
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