Alaska earthquakes

M2.2 earthquake 129 km SW of Adak, Alaska

A magnitude 2.2 earthquake struck 129 km SW of Adak, Alaska on Mon, Nov 22, 2021, 11:17 PM HAST (09:17 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M5.1 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ml), micro
Local time
UTC
2021-11-23 09:17:01 UTC
Depth
19.4 km (12.1 mi), shallow
Epicenter
51.174° N, 178.119° 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
21

Nearby

Within 100 km, magnitude 1.5 and up: 135 in the 60 days after this one and 73 in the 30 days before it.

After

The first 60 of 135.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021f0y716d. Read Thu, Sep 24, 2026, 12:06 PM UTC.