Alaska earthquakes

M3.0 earthquake 267 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 267 km SE of Chiniak, Alaska on Thu, Apr 28, 2022, 8:11 AM AKDT (16:11 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.3 277 km SE of Chiniak, 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: 3.0 (ml), minor
Local time: Thu, Apr 28, 2022, 8:11 AM AKDT
UTC: 2022-04-28 16:11:46 UTC
Depth: 21.8 km (13.6 mi), shallow
Epicenter: 56.306° N, 148.598° 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 8.8 km horizontally, 10.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 199°, poorly surrounded by stations
Stations used: 35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 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 us7000hix8 (also filed as ak0225ff0cmo). Read Tue, Sep 29, 2026, 3:24 PM UTC.