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Mount St. Helens

WI_wa036.jpg

View from Johnston Ridge towards southeast. On 18 May 1980, the weakened north face of the cone slid down in one of the largest landslides in history, depressurizing the partially molten material beneath. The consequences were a 24 km high eruption column, pyroclastic flows and lahars devastating a huge area, completely reshaping the landscape, and killing approx. 60 people.

Location
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Created
on Saturday 29 September 2007 by Martin Mergili
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5064 visits, CC BY-NC-SA 4.0 DEED license