The Deadliest US Volcanic Eruptions

The Deadliest US Volcanic Eruptions

The Worst US Volcanic Eruptions

1.
Mount St. Helens, Washington State
May 18, 1980
Death Toll: 57

The 1980 eruption created a debris avalance of about 0.7 cubic miles in volume, killing 57 and destroying more than 200 homes.

2.
Novarupta, Alaska
1912
Death Toll: 0

The 1912 Novarupta was the largest volcanic explosion of the 20th Century. Ten times more powerful than the eruption of Mt. St. Helens, it ejected 9.2 square miles of debris.