An Alaska Peninsula volcano is showing signs of unrest; scientists are learning more about it for the first time

An Alaska Peninsula volcano is showing signs of unrest; scientists are learning more about it for the first time

A high-resolution satellite image of active steam vents at Mount Kupreanof on May 10, 2026. (Photo courtesy of Hannah Dietterich with the Alaska Volcano Observatory/U.S. Geological Survey) Earthquakes and elevated gas emissions are causing scientists to take a closer look at Kupreanof Volcano. It’s a remote, heavily glaciated volcano about 50 miles northeast of Sand Point with very little known eruptive history. The Alaska Volcano Observatory ra…