Cone A 1958 lava flows, terminating along upper Crater Creek in the gates region of Okmok caldera. The darker colored 1997 flow can be seen in the background. The rocks on the left of the image are older dense glassy lavas found in the caldera wall.
Image courtesy of the AVO/ADGGS.
Please cite the photographer and the Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys when using this image.
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