SEM image of resuspended volcanic ash from the 1912 Novarupta-Katmai deposits in the Katmai region, picked up during high winds on November 1, 2015 and carried to Larsen Bay on Kodiak Island, AK. Sample collected by Sherry Harmes of Larsen Bay.
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
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