May 1980 Mount Saint Helens, USA Images
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An earthquake occurred at 15 32 UT, only seconds before the explosion that began the eruption of Mount St. Helens volcano. This eruption and blast blew off the top of...
15时32分世界时（Universal Time，UT）发生了一场地震，距引发圣海伦斯火山（Mount St. Helens）喷发的爆炸仅数秒。此次喷发与爆炸将该火山的顶部掀翻……
