Aerial view of one of the Tolsona Group mud volcanoes located west of Glennallen.  The Tolsona mud volcanoes are located adjcent to, and up to about a kilometer north of the Glenn Highway.

Aerial view of one of the Tolsona Group mud volcanoes located west of Glennallen. The Tolsona mud volcanoes are located adjcent to, and up to about a kilometer north of the Glenn Highway.

Date: Sep 16th, 2021
Volcano(es):
Photographer: McGimsey, Game
URL: avo.alaska.edu/image/view/177961
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.