Alaska earthquakes

M3.1 earthquake 232 km SE of Chiniak, Alaska

A magnitude 3.1 earthquake struck 232 km SE of Chiniak, Alaska on Tue, Jul 26, 2022, 11:10 PM AKDT (07:10 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.5 242 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: 3.1 (ml), minor
Local time: Tue, Jul 26, 2022, 11:10 PM AKDT
UTC: 2022-07-27 07:10:31 UTC
Depth: 18.0 km (11.2 mi), shallow
Epicenter: 56.199° N, 149.466° 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 4.3 km horizontally, 8.3 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 190°, poorly surrounded by stations
Stations used: 20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 22 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iirj (also filed as ak0229k40fsc). Read Mon, Sep 28, 2026, 4:40 AM UTC.