Alaska earthquakes

M2.9 earthquake 222 km SE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 222 km SE of Chiniak, Alaska on Wed, May 3, 2023, 6:32 PM AKDT (02:32 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.3 245 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: 2.9 (ml), micro
Local time: Wed, May 3, 2023, 6:32 PM AKDT
UTC: 2023-05-04 02:32:05 UTC
Depth: 20.0 km (12.4 mi), shallow
Epicenter: 56.515° N, 149.216° 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 6.5 km horizontally, 7.9 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 190°, poorly surrounded by stations
Stations used: 90

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 14 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k9dr (also filed as ak0235p40s3u). Read Sun, Sep 27, 2026, 6:46 PM UTC.