Alaska earthquakes

M3.2 earthquake 63 km WNW of Atka, Alaska

A magnitude 3.2 earthquake struck 63 km WNW of Atka, Alaska on Sat, Aug 13, 2022, 8:38 AM HADT (17:38 UTC), 259 km (161 mi) below the surface.

A larger quake followed: M4.0 81 km NE 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: Sat, Aug 13, 2022, 8:38 AM HADT
UTC: 2022-08-13 17:38:35 UTC
Depth: 259.4 km (161.2 mi), intermediate-depth
Epicenter: 52.480° N, 175.015° 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 18.7 km horizontally, 9.7 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 202°, poorly surrounded by stations
Stations used: 22

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 70 in the 30 days before it.

After

The first 60 of 88.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000iakm (also filed as ak022ace9tf5). Read Wed, Sep 30, 2026, 3:21 PM UTC.