A magnitude 5.1 earthquake occurred in the Andreanof Islands, part of Alaska's Aleutian Islands, on July 23, 2026, at 09:30:19 UTC. The seismic event was recorded at a depth of 35 kilometers.
The epicenter was located approximately 92.9 kilometers (57.6 miles) southeast of Atka, Alaska. It was also situated over 1700 kilometers southwest of Anchorage, Alaska.
The U.S. Geological Survey (USGS) reported that the event has been reviewed by a seismologist, confirming its preliminary parameters.