Alaska earthquakes

M3.1 earthquake 255 km ESE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 255 km ESE of Chiniak, Alaska on Sun, Aug 2, 2026, 5:28 AM AKDT (13:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.3 221 km SE 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: 3.1 (ml), minor
Local time: Sun, Aug 2, 2026, 5:28 AM AKDT
UTC: 2026-08-02 13:28:15 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.393° N, 148.727° 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 7.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 203°, 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: 21 since this one and 12 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000thm3 (also filed as aka2026pelnzi). Read Mon, Sep 21, 2026, 11:33 PM UTC.