Alaska earthquakes

M2.5 earthquake 4 km S of False Pass, Alaska

A magnitude 2.5 earthquake struck 4 km S of False Pass, Alaska on Wed, Aug 16, 2023, 3:17 AM AKDT (11:17 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.5 45 km SSE 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.

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The earthquake

Magnitude: 2.5 (ml), micro
Local time: Wed, Aug 16, 2023, 3:17 AM AKDT
UTC: 2023-08-16 11:17:23 UTC
Depth: 7.5 km (4.6 mi), shallow
Epicenter: 54.818° N, 163.424° 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 3.0 km horizontally, 3.1 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 169°
Stations used: 21

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast76 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 85 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 85.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kp59 (also filed as av92004371, ak023ah96lbd). Read Mon, Sep 28, 2026, 11:08 AM UTC.