Alaska earthquakes

M3.2 earthquake 73 km W of Adak, Alaska

A magnitude 3.2 earthquake struck 73 km W of Adak, Alaska on Tue, Aug 23, 2022, 6:54 AM HADT (15:54 UTC), 107 km (66 mi) below the surface.

A larger quake followed: M4.8 145 km WSW of Adak, 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: 3.2 (ml), minor
Local time: Tue, Aug 23, 2022, 6:54 AM HADT
UTC: 2022-08-23 15:54:27 UTC
Depth: 106.5 km (66.2 mi), intermediate-depth
Epicenter: 51.852° N, 177.707° 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 7.7 km horizontally, 4.7 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 149°
Stations used: 22

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 76 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 us6000iptp (also filed as ak022aswjowx). Read Wed, Sep 30, 2026, 1:50 AM UTC.