Alaska earthquakes

M3.2 earthquake 251 km SE of Chiniak, Alaska

A magnitude 3.2 earthquake struck 251 km SE of Chiniak, Alaska on Tue, Jan 17, 2023, 12:09 AM AKST (09:09 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 214 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: 3.2 (ml), minor
Local time: Tue, Jan 17, 2023, 12:09 AM AKST
UTC: 2023-01-17 09:09:40 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.248° N, 148.991° 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 4.7 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 254°, poorly surrounded by stations
Stations used: 36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after 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 us6000jkmx (also filed as ak023s9jtrw). Read Sat, Sep 26, 2026, 11:27 PM UTC.