On May 18 in 1980, after a 5.1 magnitude earthquake, Washington's Mount Saint Helens volcano erupted in what became one of the biggest volcanic explosions in North America.
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May 17, 2022 at 10:23PM
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On May 18 in 1980, after a 5.1 magnitude earthquake, Washington's Mount Saint Helens volcano erupted in what became one of the biggest volcanic explosions in North America.
