M 3.2 Earthquake Strikes 274 km NW of Adak, Alaska
A minor 3.2 magnitude earthquake was recorded northwest of Adak, Alaska, on March 20, 2026. The event occurred at a shallow depth of 3.7 kilometers.
What Happened
A minor earthquake with a magnitude of 3.2 ml occurred on March 20, 2026, at 06:12:50 UTC. The event was centered approximately 274 kilometers northwest of Adak, Alaska.
Location Details
The earthquake’s epicenter was located at coordinates 53.413°N and 179.811°W. According to the USGS, the event occurred at a depth of 3.7 kilometers. This is classified as a shallow earthquake, as it occurred less than 20 kilometers below the surface. Shallow earthquakes are often felt more strongly than deeper ones of the same magnitude, though this event occurred in a remote maritime region.
Impact Assessment
There is currently no tsunami advisory, watch, or warning in effect following this event. No felt reports have been submitted to the USGS at this time, and no alert level color has been assigned. Given the magnitude and the distance from populated areas, no damage or injuries are expected.
What You Should Know
Earthquakes with magnitudes between 2.5 and 3.9 are classified as “minor.” While these events are often felt by people near the epicenter, they rarely cause structural damage. Routine seismic activity is common in the Aleutian Islands region of Alaska.
Source
Information provided by the USGS Earthquake Hazards Program.
Source: USGS Official Notice