Alaska earthquakes

M3.2 earthquake 262 km ESE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 262 km ESE of Chiniak, Alaska on Sun, Feb 26, 2023, 6:10 PM AKST (03:10 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 Gulf of 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: 3.2 (ml), minor
Local time: Sun, Feb 26, 2023, 6:10 PM AKST
UTC: 2023-02-27 03:10:27 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.573° N, 148.386° 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 7.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 215°, poorly surrounded by stations
Stations used: 18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 9 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jru3 (also filed as ak0232nz0mqi, ak0232nz0n1l). Read Sat, Sep 26, 2026, 9:13 PM UTC.