M 4.0 Light Earthquake Strikes South of False Pass, Alaska
A magnitude 4.0 earthquake occurred approximately 207 kilometers south of False Pass, Alaska, on February 22, 2026. The shallow event was recorded at a depth of 10 kilometers.
What Happened
A light earthquake with a magnitude of 4.0 mb occurred on February 22, 2026, at 19:12 UTC. The seismic event was centered approximately 207 km south of False Pass, Alaska. According to the U.S. Geological Survey (USGS), the earthquake occurred at a shallow depth of 10 km.
Location Details
The epicenter was located at coordinates 53.0018°N, 163.0753°W. This position places the event in the North Pacific Ocean, south of the Aleutian Islands. The depth of 10 km is classified as shallow; earthquakes at this depth are typically more noticeable than deeper events, though this specific occurrence was located far offshore.
Impact Assessment
As of the latest report, there have been no felt reports submitted to the USGS. There is currently no tsunami advisory, watch, or warning in effect for this event (tsunami status: 0). No alert level color has been assigned, and the event has been officially reviewed by seismologists.
What You Should Know
Light earthquakes (M 4.0-4.9) are noticeable but rarely cause significant damage, especially when located far from populated landmasses. Residents in the region should remain aware that aftershocks are a common occurrence following seismic activity. In the event of shaking, the standard safety procedure is to “Drop, Cover, and Hold On.”
Source
Information provided by the USGS Earthquake Hazards Program.
Source: USGS Official Notice