Alaska earthquakes

M2.7 earthquake 117 km S of Unalaska, Alaska

A magnitude 2.7 earthquake struck 117 km S of Unalaska, Alaska on Fri, Jan 31, 2025, 5:26 AM AKST (14:26 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M4.4 84 km SW 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: 2.7 (ml), micro
Local time: Fri, Jan 31, 2025, 5:26 AM AKST
UTC: 2025-01-31 14:26:15 UTC
Depth: 5.6 km (3.5 mi), shallow
Epicenter: 52.825° N, 166.667° 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 1.3 km horizontally, 8.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 230°, poorly surrounded by stations
Stations used: 15

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast117 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 158 in the 60 days after this one and 119 in the 30 days before it.

After

The first 60 of 158.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pv9u (also filed as ak0251fi5g77). Read Tue, Sep 29, 2026, 10:34 PM UTC.