Mount St. Helens is an active stratovolcano located near Washington State's southern border – 96 miles south of Seattle and 50 miles northeast of Portland. On May 18, 1980, the eruption changed more than 200 …
November 1, 2011
Posted October 31, 2011
Mount St. Helens is an active stratovolcano located near Washington State's southern border – 96 miles south of Seattle and 50 miles northeast of Portland. On May 18, 1980, the eruption changed more than 200 …