1980 eruption of Mount St. Helens

On May 18, 1980, Mount St. Helens in Washington erupted. The eruption was recorded as a 5 on the Volcanic Explosivity Index. 

For two months before the eruption, earthquake trembles and steam was vented from the mouth of the volcano. 57 people died in the eruption.Those who lost their lives because of the May 18, 1980 eruption of Mount St. Helens. KGW news. Archived from the original (PDF) on March 26, 2009.

References

Category:1980 in the United States
Category:Disasters in the 1980s
Category:Natural disasters in the United States
Category:20th century in Washington (state)