Alaska earthquakes

M2.8 earthquake 79 km WNW of False Pass, Alaska

A magnitude 2.8 earthquake struck 79 km WNW of False Pass, Alaska on Sun, Aug 13, 2023, 11:34 AM AKDT (19:34 UTC), 196 km (122 mi) below the surface.

A larger quake followed: M3.2 39 km SW 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: 2.8 (ml), micro
Local time: Sun, Aug 13, 2023, 11:34 AM AKDT
UTC: 2023-08-13 19:34:29 UTC
Depth: 195.7 km (121.6 mi), intermediate-depth
Epicenter: 55.239° N, 164.452° 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 16.4 km horizontally, 10.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 201°, poorly surrounded by stations
Stations used: 23

Nearest places

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

King Cove, AlaskaPopulation 1,009. Forecast137 kmW

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 9 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kryf (also filed as ak023acffodb). Read Mon, Sep 28, 2026, 3:08 AM UTC.