Alaska earthquakes

M2.6 earthquake 35 km SSE of Unalaska, Alaska

A magnitude 2.6 earthquake struck 35 km SSE of Unalaska, Alaska on Sat, Mar 29, 2025, 4:41 AM AKDT (12:41 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.3 48 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: 2.6 (ml), micro
Local time: Sat, Mar 29, 2025, 4:41 AM AKDT
UTC: 2025-03-29 12:41:48 UTC
Depth: 44.5 km (27.7 mi), shallow
Epicenter: 53.594° N, 166.268° 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 5.5 km horizontally, 10.2 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 189°, 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. Forecast36 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 147 in the 60 days after this one and 102 in the 30 days before it.

After

The first 60 of 147.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pudn (also filed as ak02541qompo). Read Wed, Sep 30, 2026, 9:30 AM UTC.