Alaska earthquakes

M2.9 earthquake 39 km NW of Atka, Alaska

A magnitude 2.9 earthquake struck 39 km NW of Atka, Alaska on Thu, Aug 13, 2026, 7:46 AM HADT (16:46 UTC), 187 km (116 mi) below the surface.

A larger quake followed: M3.1 43 km S of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.9 (ml), micro
Local time: Thu, Aug 13, 2026, 7:46 AM HADT
UTC: 2026-08-13 16:46:26 UTC
Depth: 186.8 km (116.1 mi), intermediate-depth
Epicenter: 52.485° N, 174.528° 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 9.3 km horizontally, 12.6 km in depth
Magnitude uncertainty: ±0.09
Depth from: From location
Station coverage gap: 165°
Stations used: 18

Nearby

Within 100 km, magnitude 1.5 and up: 31 since this one and 44 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tkmi (also filed as aka2026pzamaa). Read Thu, Sep 24, 2026, 5:33 AM UTC.