Alaska earthquakes

M3.3 earthquake 241 km SE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 241 km SE of Chiniak, Alaska on Wed, Nov 23, 2022, 9:09 PM AKST (06:09 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: 3.3 (ml), minor
Local time: Wed, Nov 23, 2022, 9:09 PM AKST
UTC: 2022-11-24 06:09:44 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.214° N, 149.241° 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 9.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 193°, poorly surrounded by stations
Stations used: 95

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 15 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000is05 (also filed as ak022f2jwghp). Read Mon, Sep 28, 2026, 3:27 AM UTC.