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Last updated on April 24, 2014 at 11:24 EDT

Mount St. Helens: Thirty Years Later

May 19, 2010

Thirty years ago, on May 18, 1980, Mount St. Helens roared back into major activity with a massive eruption that leveled surrounding forest, blasted away over a thousand feet of the mountain’s summit, and claimed 57 human lives. credit: NASA