on May 18, 1980, Mt. St Helen in Washington State underwent the most cataclysmic and destructive vol…
on May 18, 1980, Mt. St Helen in Washington State underwent the most cataclysmic and destructive volcanic eruption in US history. Triggered by a magnitude 5.1 earthquake, it sent ash 15 miles into the air and flattened 230 sq. miles of forest within minutes. The disaster claimed 57 lives
