Alaska Volcano Observatory

Aniakchak Crater with the 1931 Main Crater and Surprise Lake in the distance, as seen from the AVO seismic station ANRM. View toward the N.

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Credit: Image courtesy of the AVO/UAF-GI.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute when using this image.
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