Mount St. Helens Erupts: 57 Dead, Billions in Damage
Mount St. Helens explodes with a lateral blast that flattens 230 square miles of forest and kills 57 people. This catastrophic event reshaped the Pacific Northwest landscape while compelling geologists to rethink volcanic monitoring protocols for dormant stratovolcanoes.
May 18, 1980
46 years ago
Key Figures & Places
Washington
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1980 Mount St. Helens eruption
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Mount St. Helens
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1980 eruption of Mount St. Helens
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Washington
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Mount St. Helens
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1980 eruption of Mount St. Helens
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Washington (state)
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United States
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Pyroklastischer Strom
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David A. Johnston
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