Alaska earthquakes

M2.1 earthquake 28 km SSE of False Pass, Alaska

A magnitude 2.1 earthquake struck 28 km SSE of False Pass, Alaska on Mon, Dec 20, 2021, 8:49 PM AKST (05:49 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.8 43 km SSE of False Pass, Alaska. This one was a foreshock.

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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
UTC
2021-12-21 05:49:49 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
54.604° N, 163.286° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 124 in the 60 days after this one and 38 in the 30 days before it.

After

The first 60 of 124.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021gb71z7p. Read Wed, Sep 23, 2026, 1:13 PM UTC.