USGS scientist Game McGimsey measures temperature at a new vent upslope from summit pond of Shrub mud volcano in the Copper River basin west of Mt. Drum, in the Wrangell Mountains near Glennallen, AK. Tarsilo Girona (UAFGI), to the left, measures temperature with a Forward Looking Infrared (FLIR) camera.
Image courtesy of AVO/USGS.