Saint Helens seemed at the time of the 1980 eruption, it was actually a relatively small eruption compared to other Andesite volcanoes such as Mt.

圣海伦斯似乎在当时的1980年喷发，它实际上是一个相对小的喷发较之其他安山岩火山如山。

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Saint Helens seemed at the time of the 1980 eruption, it was actually a relatively small eruption compared to other Andesite volcanoes such as Mt.

圣海伦斯似乎在当时的1980年喷发，它实际上是一个相对小的喷发较之其他安山岩火山如山。

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