Alaska earthquakes

M2.6 earthquake 25 km W of False Pass, Alaska

A magnitude 2.6 earthquake struck 25 km W of False Pass, Alaska on Sun, Dec 31, 2023, 12:30 PM AKST (21:30 UTC), 150 km (93 mi) below the surface.

A larger quake followed: M3.2 61 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: 2.6 (ml), micro
Local time: Sun, Dec 31, 2023, 12:30 PM AKST
UTC: 2023-12-31 21:30:16 UTC
Depth: 150.0 km (93.2 mi), intermediate-depth
Epicenter: 54.886° N, 163.798° 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 13.7 km horizontally, 4.3 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 179°
Stations used: 15

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast96 kmW

Nearby

Within 100 km, magnitude 1.5 and up: 61 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 61.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000m565 (also filed as ak023grzu9ee). Read Mon, Sep 28, 2026, 7:37 AM UTC.