Alaska earthquakes

M3.1 earthquake 65 km ESE of Egegik, Alaska

A magnitude 3.1 earthquake struck 65 km ESE of Egegik, Alaska on Tue, Dec 21, 2021, 9:36 AM AKST (18:36 UTC), 136 km (85 mi) below the surface.

A larger quake followed: M3.8 49 km WNW of Karluk, Alaska. This one was a foreshock.

Naknek 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: 3.1 (ml), minor
Local time: Tue, Dec 21, 2021, 9:36 AM AKST
UTC: 2021-12-21 18:36:41 UTC
Depth: 136.3 km (84.7 mi), intermediate-depth
Epicenter: 58.007° N, 156.329° 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: 189

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 63 in the 60 days after this one and 45 in the 30 days before it.

After

The first 60 of 63.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gbept45 (also filed as us6000ge8q). Read Wed, Sep 23, 2026, 4:16 AM UTC.