Alaska earthquakes

M2.6 earthquake 66 km SSW of Unalaska, Alaska

A magnitude 2.6 earthquake struck 66 km SSW of Unalaska, Alaska on Fri, Feb 18, 2022, 1:05 PM AKST (22:05 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.1 82 km SSW 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: 2.6 (ml), micro
Local time: Fri, Feb 18, 2022, 1:05 PM AKST
UTC: 2022-02-18 22:05:57 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.289° N, 166.757° 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 4.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: Operator assigned
Station coverage gap: 207°, 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. Forecast67 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of 190.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000h4vt (also filed as ak02229egqd5). Read Sun, Sep 27, 2026, 10:01 AM UTC.