Alaska earthquakes

M2.1 earthquake 27 km NW of Susitna, Alaska

A magnitude 2.1 earthquake struck 27 km NW of Susitna, Alaska on Sun, Dec 5, 2021, 1:18 PM AKST (22:18 UTC), 59 km (37 mi) below the surface.

A larger quake followed: M2.4 21 km WSW of Anchorage, Alaska. This one was a foreshock.

Willow forecast More in Alaska

Map

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

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The earthquake

Magnitude: 2.1 (ml), micro
Local time: Sun, Dec 5, 2021, 1:18 PM AKST
UTC: 2021-12-05 22:18:44 UTC
Depth: 59.1 km (36.7 mi), shallow
Epicenter: 61.740° N, 150.828° 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: 62

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021fl0e504 (also filed as us6000g9ch). Read Thu, Sep 24, 2026, 2:14 AM UTC.