• Aerial view of Aniakchak Caldera taken from northern rim

    Aniakchak

    National Monument & Preserve Alaska

News

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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.