Alaska earthquakes

M3.6 earthquake 87 km SW of False Pass, Alaska

A magnitude 3.6 earthquake struck 87 km SW of False Pass, Alaska on Sat, Nov 11, 2023, 2:33 PM AKST (23:33 UTC), 79 km (49 mi) below the surface.

A larger quake followed: M4.3 103 km ESE of Akutan, Alaska. This one was a foreshock.

Akutan 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: 3.6 (ml), minor
Local time: Sat, Nov 11, 2023, 2:33 PM AKST
UTC: 2023-11-11 23:33:14 UTC
Depth: 79.0 km (49.1 mi), intermediate-depth
Epicenter: 54.335° N, 164.433° 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 5.3 km horizontally, 6.7 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 182°, poorly surrounded by stations
Stations used: 27

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast90 kmENE

Nearby

Within 100 km, magnitude 1.5 and up: 108 in the 60 days after this one and 33 in the 30 days before it.

After

The first 60 of 108.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000lefc (also filed as ak023ehc6e7f). Read Mon, Sep 28, 2026, 2:27 AM UTC.