Alaska earthquakes

M3.2 earthquake 88 km SW of Unalaska, Alaska

A magnitude 3.2 earthquake struck 88 km SW of Unalaska, Alaska on Tue, Mar 4, 2025, 7:26 PM AKST (04:26 UTC), 78 km (48 mi) below the surface.

A larger quake followed: M3.9 82 km SSW of Unalaska, 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: 3.2 (ml), minor
Local time: Tue, Mar 4, 2025, 7:26 PM AKST
UTC: 2025-03-05 04:26:46 UTC
Depth: 78.0 km (48.5 mi), intermediate-depth
Epicenter: 53.325° N, 167.492° 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 6.4 km horizontally, 7.7 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 186°, poorly surrounded by stations
Stations used: 20

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast88 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 79 in the 30 days before it.

After

The first 60 of 149.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000q44t (also filed as ak0252xwxme3). Read Tue, Sep 29, 2026, 9:57 PM UTC.