Tarsilo Girona (UAF/GI) acquires FLIR (Forward Looking Infrared Radiometer) imagery of one of the Tolsona Group mud volcanoes, located west of Glennallen. Temperatures indicated by the FLIR were near ambient.
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image. Full Resolution.