Alaska earthquakes

M2.5 earthquake 25 km S of False Pass, Alaska

A magnitude 2.5 earthquake struck 25 km S of False Pass, Alaska on Fri, Dec 17, 2021, 2:45 AM AKST (11:45 UTC), 105 km (65 mi) below the surface.

A larger quake followed: M3.0 27 km SSE 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: 2.5 (ml), micro
Local time: Fri, Dec 17, 2021, 2:45 AM AKST
UTC: 2021-12-17 11:45:14 UTC
Depth: 105.1 km (65.3 mi), intermediate-depth
Epicenter: 54.621° N, 163.416° 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 7.7 km horizontally, 5.1 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 165°
Stations used: 30

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast86 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 133 in the 60 days after this one and 36 in the 30 days before it.

After

The first 60 of 133.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000gc4v (also filed as ak021g4og9ho). Read Wed, Sep 23, 2026, 5:14 AM UTC.