Alaska earthquakes

M3.4 earthquake 202 km SSE of Unalaska, Alaska

A magnitude 3.4 earthquake struck 202 km SSE of Unalaska, Alaska on Tue, Dec 12, 2023, 5:52 PM AKST (02:52 UTC), 17 km (10 mi) below the surface.

Unalaska 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: 3.4 (ml), minor
Local time: Tue, Dec 12, 2023, 5:52 PM AKST
UTC: 2023-12-13 02:52:05 UTC
Depth: 16.5 km (10.3 mi), shallow
Epicenter: 52.254° N, 165.161° 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 7.0 km horizontally, 5.4 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 179°
Stations used: 38

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast202 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 3 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 us7000lk21 (also filed as ak023fxwzge7). Read Tue, Sep 29, 2026, 1:24 AM UTC.