Alaska earthquakes

M2.6 earthquake 24 km SE of Unalaska, Alaska

A magnitude 2.6 earthquake struck 24 km SE of Unalaska, Alaska on Sun, Aug 24, 2025, 10:13 PM AKDT (06:13 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M5.1 49 km S of Akutan, 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.

Open the live map with earthquakes

The earthquake

Magnitude: 2.6 (ml), micro
Local time: Sun, Aug 24, 2025, 10:13 PM AKDT
UTC: 2025-08-25 06:13:40 UTC
Depth: 74.3 km (46.2 mi), intermediate-depth
Epicenter: 53.740° N, 166.239° 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 11.3 km horizontally, 22.4 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 184°, poorly surrounded by stations
Stations used: 19

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast24 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 75 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rl96 (also filed as ak025aw20q4b). Read Wed, Sep 30, 2026, 12:56 AM UTC.