A panoramic photo of an outcrop near the base of Makushin volcano on a plateau geologists call the Lava Ramp. Jim Vallance (USGS-CVO) is working on ash layers from Makushin and Akutan volcano while standing on snow that fills the stream channel.
Credit: Image courtesy of the AVO/UAF-GI.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute when using this image. Full Resolution.