Alaska earthquakes

M3.2 earthquake 236 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 236 km SE of Chiniak, Alaska on Tue, Mar 7, 2023, 3:07 AM AKST (12:07 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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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: Tue, Mar 7, 2023, 3:07 AM AKST
UTC: 2023-03-07 12:07:45 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.284° N, 149.247° 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 7.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 254°, poorly surrounded by stations
Stations used: 47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000jhvr (also filed as ak02331cnp5g). Read Tue, Sep 29, 2026, 7:57 PM UTC.