# geology

Judging from the sizes of the before-and-after craters atop Mount St. Helens, which volcani event appears to have been more explosive, the last one before 1980, or that which occured in 1980?

I thought it would be the one before 1980 since that would have created the upheaval for the 1980 one. Am I right?

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1. Try some of the following links, as I don't believe my first answer posted:

http://search.yahoo.com/search?fr=mcafee&p=which+volcanic+event+was+the+most+explosive+on+Mount+St.+Helens

Sra

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