Magnitude 5.3 Earthquake Strikes Alaska's Fox Islands

A magnitude 5.3 earthquake struck the Fox Islands in Alaska's Aleutian Islands region on September 3, 2026, at 13:03:23 UTC. The United States Geological Survey (USGS) reported the seismic event, which occurred at a shallow depth of 16 kilometers. This preliminary report supersedes a previous event, ATtkshll.

The epicenter was located at 52.222N, 169.327W, approximately 85.8 kilometers (53.2 miles) south-southwest of Nikolski, Alaska. Larger population centers like Anchorage, Alaska, were significantly further away, about 1544.6 kilometers (957.6 miles) to the southwest.

A seismologist has reviewed the event, confirming the details of the tremor. Further updates and technical information are available from the USGS and the Alaska Earthquake Center.