A magnitude 5.3 earthquake struck the Fox Islands in Alaska's Aleutian Islands on May 23, 2026, at 21:49:17 UTC. The U.S. Geological Survey (USGS) reported the shallow quake at a depth of 7 kilometers.

The epicenter was located 168.1 km (104.2 mi) southwest of Nikolski, Alaska. Other distant cities include Anchorage, Alaska, and Anadyr, Russia.

The event has been reviewed by a seismologist, confirming the preliminary report.