Alaska earthquakes

M2.1 earthquake 163 km WSW of Adak, Alaska

A magnitude 2.1 earthquake struck 163 km WSW of Adak, Alaska on Fri, Nov 26, 2021, 9:22 PM HAST (07:22 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M3.7 200 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.1 (ml), micro
Local time: Fri, Nov 26, 2021, 9:22 PM HAST
UTC: 2021-11-27 07:22:29 UTC
Depth: 25.8 km (16.0 mi), shallow
Epicenter: 51.416° N, 178.877° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used: 26

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 66 in the 30 days before it.

After

The first 60 of 133.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021f7j6oon (also filed as av91430621). Read Thu, Sep 24, 2026, 10:09 AM UTC.