Mount St. Helens: Watch how the worst volcano eruption in US history happened

Name: Mount St. Helens: Watch how the worst volcano eruption in US history happened
Uploaded: 2023-05-17T15:26:13-04:00
Duration: 6 min 58 s
Description: A look back at the catastrophic 1980 eruption of Mount St. Helens in Washington—the most devastating volcanic eruption in U.S. history—and the events leading up to it.

06:58

Mount St. Helens: Watch how the worst volcano eruption in US history happened

A look back at the catastrophic 1980 eruption of Mount St. Helens in Washington—the most devastating volcanic eruption in U.S. history—and the events leading up to it.

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