Mount St. Helens 20th Anniversary Logo

Reflecting on 20 Years of Change

Mount St. Helens 1980 Eruption
20th Anniversary
2000

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Mount St. Helens, one day before the May 18, 1980 Eruption Mount St. Helens, four months after the May 18, 1980 eruption.

 

Events and information about the commemoration of the 20th anniversary of the eruption of Mount St. Helens can be found at this website.

 

Last Update: 21 May 2001