Alaska earthquakes

M2.5 earthquake 93 km S of False Pass, Alaska

A magnitude 2.5 earthquake struck 93 km S of False Pass, Alaska on Thu, Aug 24, 2023, 11:32 PM AKDT (07:32 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.9 108 km SSW 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: Thu, Aug 24, 2023, 11:32 PM AKDT
UTC: 2023-08-25 07:32:32 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 54.017° N, 163.303° 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 3.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.13
Depth from: Operator assigned
Station coverage gap: 215°, poorly surrounded by stations
Stations used: 16

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast132 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 111 in the 60 days after this one and 93 in the 30 days before it.

After

The first 60 of 111.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kubg (also filed as ak023aw2q7j7). Read Tue, Sep 29, 2026, 3:04 PM UTC.