Alaska earthquakes

M2.5 earthquake 42 km SSW of False Pass, Alaska

A magnitude 2.5 earthquake struck 42 km SSW of False Pass, Alaska on Thu, Feb 25, 2021, 4:25 AM AKST (13:25 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M3.1 68 km S of King Cove, 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: 2.5 (ml), micro
Local time: Thu, Feb 25, 2021, 4:25 AM AKST
UTC: 2021-02-25 13:25:51 UTC
Depth: 81.1 km (50.4 mi), intermediate-depth
Epicenter: 54.506° N, 163.663° 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 4.0 km horizontally, 8.4 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 184°, poorly surrounded by stations
Stations used: 24

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast106 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 105.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000djil (also filed as ak0212ktzjak). Read Wed, Sep 23, 2026, 6:21 PM UTC.