Footage of the 1980 Mount St. Helens Eruption

Smithsonian Channel
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Uploaded On 2017-09-29
On May 18, 1980, the Mount St. Helens became the largest and most destructive volcanic eruption in U.S. history. By the end of its cycle of fire and fury, 57 people had died.

From the Series: Make It Out Alive: Mount St. Helens
http://bit.ly/MtStHelensAlive