Magnitude 5.2 Earthquake Strikes Alaska's Andreanof Islands

A magnitude 5.2 earthquake struck the Andreanof Islands in Alaska's Aleutian Islands region on May 28, 2026, at 00:25:22 UTC. The seismic event occurred at a depth of 58 kilometers.

The epicenter was located approximately 49.3 kilometers (30.6 miles) east-southeast of Adak, Alaska. Other distant locations include Anadyr, Russia, and Petropavlovsk-Kamchatsky, Russia.

The U.S. Geological Survey (USGS) reported that the event, identified as us7000snz9, has been reviewed by a seismologist. This preliminary report supersedes previous events ATtfq16a and AKa2026klobnd.