Alaska earthquakes

M3.0 earthquake 21 km SE of False Pass, Alaska

A magnitude 3.0 earthquake struck 21 km SE of False Pass, Alaska on Sat, Dec 11, 2021, 8:25 PM AKST (05:25 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M3.3 45 km W 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.

Open the live map with earthquakes

The earthquake

Magnitude: 3.0 (ml), minor
Local time: Sat, Dec 11, 2021, 8:25 PM AKST
UTC: 2021-12-12 05:25:23 UTC
Depth: 84.9 km (52.7 mi), intermediate-depth
Epicenter: 54.720° N, 163.171° 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 6.3 km horizontally, 5.0 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 180°
Stations used: 34

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast66 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 118.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000gas5 (also filed as ak021fwb2noy). Read Wed, Sep 23, 2026, 12:20 PM UTC.