Cancel anytime. On May 18, 1980, Mount St. Helens erupted covering the region in volcanic ash. The north face of the mountain collapsed and started an avalanche that scoured about 150 square miles ...
It starts with the eruption of Mount St. Helens in May of 1980. It was the most destructive volcanic event in American history, claiming 57 lives and causing staggering ecological damage.
An curved arrow pointing right. Mount St. Helens has recently been swarming with geological activity, which could mean the giant American volcano is gearing up for its next big eruption.
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