Alaska earthquakes

M3.6 earthquake 94 km SSE of Unalaska, Alaska

A magnitude 3.6 earthquake struck 94 km SSE of Unalaska, Alaska on Sat, Dec 31, 2022, 8:39 AM AKST (17:39 UTC), 39 km (24 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: 3.6 (ml), minor
Local time: Sat, Dec 31, 2022, 8:39 AM AKST
UTC: 2022-12-31 17:39:53 UTC
Depth: 38.6 km (24.0 mi), shallow
Epicenter: 53.082° N, 166.029° 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 1.9 km horizontally, 9.9 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 140°
Stations used: 64

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast94 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 86 in the 30 days before it.

After

The first 60 of 142.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000j3w4 (also filed as ak022grxiipx). Read Wed, Sep 30, 2026, 11:28 PM UTC.