M4.5 earthquake strikes 158 km south of False Pass, Alaska

A magnitude 4.5 earthquake occurred at 12:03 UTC on 2026-10-21, 158 km south of False Pass, Alaska, at a depth of 20.47 km. No damage or tsunami threat is reported; the event is routine for the Aleutian seismic zone. It matters for monitoring regional seismic activity but has no immediate market or strategic impact.