I was a young lad when this happened. Did it have any effects on the east coast?3/27
1980 - U.S.A. Mount St. Helens Erupts
1980 : After a week of small earthquakes below the area, an eruption of Mount St. Helens blasts a mushroom cloud over most of the state of Washington. Just 2 months later St. Helens catastrophically erupted on May 18th, 1980 during which 57 people were killed or never found and huge tracts of forest and homes were destroyed.