Global Volcanism Program | Image GVP-09855
The youngest activity known on Adagdak, at the NE tip of Adak Island, is a lava dome from about 210,000 years ago. Andrew Bay Hot Springs lie along the coast west of Mount Adagdak, and the northern part of Adak Island has been investigated for geothermal power potential.
Photo by Chris Waythomas, 2000 (Alaska Volcano Observatory, U.S. Geological Survey).
This image is made available as a Public Domain Work, but proper attribution is appreciated.