Magnitude 5.3 Earthquake Strikes Alaska's Aleutian Islands

A magnitude 5.3 earthquake struck the Fox Islands in Alaska's Aleutian Islands on May 23, 2026, at 21:49:18 UTC. The shallow tremor occurred at a depth of 5 kilometers.

The epicenter was located approximately 166.7 kilometers southwest of Nikolski, Alaska. Distant locations include Anchorage, Alaska, about 1630.7 kilometers southwest, and Anadyr, Russia, 1604.9 kilometers south-southeast.

This seismic event has been reviewed by a seismologist, as reported by the USGS Earthquake Reports.