Alaska earthquakes

M2.9 earthquake 234 km ESE of Chiniak, Alaska

A magnitude 2.9 earthquake struck 234 km ESE of Chiniak, Alaska on Tue, Sep 20, 2022, 9:14 AM AKDT (17:14 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M3.8 223 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: Tue, Sep 20, 2022, 9:14 AM AKDT
UTC: 2022-09-20 17:14:54 UTC
Depth: 21.6 km (13.4 mi), shallow
Epicenter: 56.500° N, 149.006° 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 5.8 km horizontally, 9.0 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 212°, poorly surrounded by stations
Stations used: 42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 17 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ivd4 (also filed as ak022c38jrpm). Read Fri, Sep 25, 2026, 2:06 PM UTC.