★ 8.0
★ 7.3
★ 7.8
★ 0.0
★ 7.1
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★ 5.1
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★ 6.1
The Deadliest Eruption in US History
The 1980 eruption of Mount St. Helens was the deadliest in U.S. history. Survivor testimonies and rare images reveal the cataclysms it unleashed.
