AVO geologists Pavel Izbekov (UAF/GI) and Jessica Larsen (UAF/GI) discussing a tephra section in the shadow of Pavlof Sister and Pavlof volcano (steaming in the background). The Pavlof field crew that also includes Chris Waythomas (USGS) and Katie Mulliken (DGGS) are investigating the eruptive history and geochemistry of Pavlof volcano.
Image courtesy of the AVO/ADGGS.
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