Alaska earthquakes

M2.7 earthquake 237 km SE of Chiniak, Alaska

A magnitude 2.7 earthquake struck 237 km SE of Chiniak, Alaska on Mon, Aug 11, 2025, 7:54 PM AKDT (03:54 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 249 km ESE of Chiniak, Alaska. This one was a foreshock.

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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: Mon, Aug 11, 2025, 7:54 PM AKDT
UTC: 2025-08-12 03:54:52 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.265° N, 149.259° 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 4.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 260°, poorly surrounded by stations
Stations used: 30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 8 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000r016 (also filed as ak025aaihqcz). Read Tue, Sep 29, 2026, 5:33 PM UTC.