A geologist views the upper portion of Makushin Valley, east of Makushin Volcano. The valley has been filled with a thick sequence of Holocene pyroclastic flows, surges, and fall deposits. View is from the northeast.
Image courtesy of AVO / University of Alaska Fairbanks, Geophysical Institute.
Please cite the photographer and Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute when using this image.
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