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Aniakchak National Monument & Preserve Rafting through The Gates of Aniakchak Caldera
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Aniakchak National Monument & Preserve
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Did You Know?

Did You Know?
Ash from the May 1931 eruption of Aniakchak fell at a rate of a pound per hour at the Chignik villages, 65 miles to the south. The blast was heard 200 miles away and the ash sprinkled the ground nearly 700 miles from the source. The eruption left a caldera 250 deep and one-half mile wide.

Last Updated: October 12, 2010 at 18:05 MST