Decades, Photos

Remembering The 80’s

1980 eruption of Mount St. Helens

1980 eruption of Mount St. Helens

On May 18, 1980, preceded by a two-month series of earthquakes and steam-venting episodes, an earthquake at 8:32:17 a.m. PDT caused the entire weakened north face to slide away, creating the largest landslide ever recorded. This was followed by an eruption column that rose 80,000 feet (15 mi) into the atmosphere and deposited ash in 11 U.S. states.

Fifty-seven people were killed directly, hundreds of square miles were reduced to wasteland, causing over a billion U.S. dollars in damage, thousands of game animals were killed, and Mount St. Helens was left with a crater on its north side.

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