Chris Waythomas and Pavel Izbekov working a tephra section north of Pavlof and Pavlof Sister during tephrostratigraphic work at Pavlof Volcano, July 2018. Pavlof Sister and Pavlof are visible in the clouds in the background. This section was approximately 15 km north of Pavlof, station 18IPE12.
Image courtesy of the AVO/ADGGS.