Alaska earthquakes

M2.6 earthquake 124 km SW of Adak, Alaska

A magnitude 2.6 earthquake struck 124 km SW of Adak, Alaska on Tue, Feb 22, 2022, 6:47 AM HAST (16:47 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.1 134 km SW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Tue, Feb 22, 2022, 6:47 AM HAST
UTC: 2022-02-22 16:47:38 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.242° N, 178.111° 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, 2.0 km in depth
Magnitude uncertainty: ±0.14
Depth from: Operator assigned
Station coverage gap: 243°, poorly surrounded by stations
Stations used: 21

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 87 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000gn0k (also filed as ak0222fxah5z). Read Wed, Sep 30, 2026, 8:01 PM UTC.