Alaska earthquakes

M3.0 earthquake 97 km SSW of Unalaska, Alaska

A magnitude 3.0 earthquake struck 97 km SSW of Unalaska, Alaska on Sat, Jan 22, 2022, 12:04 PM AKST (21:04 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.6 79 km S of Unalaska, Alaska. This one was a foreshock.

Unalaska forecast More in Alaska

Map

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: Sat, Jan 22, 2022, 12:04 PM AKST
UTC: 2022-01-22 21:04:09 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.063° N, 167.081° 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 2.2 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: Operator assigned
Station coverage gap: 214°, poorly surrounded by stations
Stations used: 26

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast97 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000glit (also filed as ak02210qcma4). Read Wed, Sep 23, 2026, 4:44 AM UTC.