AVO USGS scientist Kristi Wallace collects chemical analyses from ash samples from around the Cook Inlet in order to identify their source volcano in the UAF Advanced Instrumentation Laboratory. Photo by Matt Loewen, USGS/AVO.

AVO USGS scientist Kristi Wallace collects chemical analyses from ash samples from around the Cook Inlet in order to identify their source volcano in the UAF Advanced Instrumentation Laboratory. Photo by Matt Loewen, USGS/AVO.

Date:
Volcano(es):
Photographer: Loewen, Matthew
URL: avo.alaska.edu/image/view/194399
Credit: Image courtesy of AVO/USGS.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
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