Alaska earthquakes

M2.7 earthquake 89 km SSE of False Pass, Alaska

A magnitude 2.7 earthquake struck 89 km SSE of False Pass, Alaska on Sat, Dec 11, 2021, 3:26 PM AKST (00:26 UTC), 17 km (10 mi) below the surface.

A larger quake followed: M3.0 21 km SE of False Pass, Alaska. This one was a foreshock.

King Cove 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: 2.7 (ml), micro
Local time: Sat, Dec 11, 2021, 3:26 PM AKST
UTC: 2021-12-12 00:26:58 UTC
Depth: 16.8 km (10.4 mi), shallow
Epicenter: 54.116° N, 162.847° 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.

Location uncertainty: About 3.9 km horizontally, 9.5 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 217°, poorly surrounded by stations
Stations used: 21

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast111 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 154 in the 60 days after this one and 45 in the 30 days before it.

After

The first 60 of 154.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000gasc (also filed as ak021fw83ryy). Read Wed, Sep 23, 2026, 9:09 AM UTC.