Alaska earthquakes

M2.5 earthquake 27 km WSW of Unalaska, Alaska

A magnitude 2.5 earthquake struck 27 km WSW of Unalaska, Alaska on Thu, Dec 8, 2022, 10:28 PM AKST (07:28 UTC), 90 km (56 mi) below the surface.

A larger quake followed: M3.9 89 km ENE of Nikolski, Alaska. This one was a foreshock.

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: 2.5 (ml), micro
Local time: Thu, Dec 8, 2022, 10:28 PM AKST
UTC: 2022-12-09 07:28:21 UTC
Depth: 89.8 km (55.8 mi), intermediate-depth
Epicenter: 53.769° N, 166.909° 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 6.0 km horizontally, 4.1 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 169°
Stations used: 17

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast27 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 86 in the 30 days before it.

After

The first 60 of 130.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jazy (also filed as ak022frdo4xd). Read Mon, Sep 28, 2026, 2:29 AM UTC.