Mount St. Helens is located in Washington, about 55 miles northeast of Portland, Oregon, and 95 miles south of Seattle. It is administered by the National Forest Service, not the National Park Service ...
On May 18, 1980, 30-year-old scientist David Johnston was in an observation post with the U.S. Geological survey monitoring Mount St. Helens. At 8:32 a.m., a 5.1 magnitude earthquake struck beneath ...
Forty years ago, a volcano in the Cascade Mountains in Washington roared, expelling plumes of ash and killing 57 people in the most destructive eruption in modern US history. See 50 photos from the ...
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