Field work at Augustine Volcano. Holocene pyroclastic flow and fall deposits exposed in a gully on Augustine's north flank, with Iliamna volcano in the background.
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
To obtain a high-resolution image, open the full size
page. Then, right click on the image and click
"Save Image As..." or "Save Picture as..."