
Monday May 18, 2026
May 18: The Mountain That Exploded Sideways
On May 18, 1980, Mount St. Helens erupted in one of the most destructive volcanic events in U.S. history.

Monday May 18, 2026
On May 18, 1980, Mount St. Helens erupted in one of the most destructive volcanic events in U.S. history.
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