AVO/USGS geologist Michelle Coombs uses a shovel to expose layers of tephra and peat in a bog on the west side of Kruzof Island. Taken during fieldwork at Mount Edgecumbe, May 2024.
Credit: Image courtesy of the AVO/ADGGS.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / Alaska Division of Geological & Geophysical Surveys when using this image. Full Resolution.