Alaska earthquakes

M2.3 earthquake 216 km WSW of Adak, Alaska

A magnitude 2.3 earthquake struck 216 km WSW of Adak, Alaska on Tue, Nov 23, 2021, 8:26 PM HAST (06:26 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M5.2 280 km WSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.3 (ml), micro
Local time
UTC
2021-11-24 06:26:11 UTC
Depth
13.2 km (8.2 mi), shallow
Epicenter
51.147° N, 179.527° 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
15

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 58 in the 30 days before it.

After

The first 60 of 107.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021f2k0130. Read Thu, Sep 24, 2026, 12:18 PM UTC.