Alaska earthquakes

M3.5 earthquake 81 km SSE of Akutan, Alaska

A magnitude 3.5 earthquake struck 81 km SSE of Akutan, Alaska on Fri, Dec 29, 2023, 11:43 PM AKST (08:43 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.0 35 km SE 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: 3.5 (ml), minor
Local time: Fri, Dec 29, 2023, 11:43 PM AKST
UTC: 2023-12-30 08:43:25 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.458° N, 165.314° 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 4.5 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: Operator assigned
Station coverage gap: 213°, poorly surrounded by stations
Stations used: 36

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast81 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 107.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000m4st (also filed as ak023gq4n2o2). Read Wed, Sep 30, 2026, 4:07 AM UTC.