Photo taken during the helicopter observation flight on 20 Sept, 06 between 19:40 and 20:30 local time. Looking West towards the head of the flow that came out of crevasses. The "ash" sample was taken near the base of the little hill behind the flow on the left hand side.
Image courtesy of the AVO/UAF-GI.
Please cite the photographer and the Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute when using this image.
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