Alaska earthquakes

M2.8 earthquake 75 km SE of Atka, Alaska

A magnitude 2.8 earthquake struck 75 km SE of Atka, Alaska on Wed, Aug 12, 2026, 9:34 AM HADT (18:34 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M3.7 85 km SE of Atka, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Wed, Aug 12, 2026, 9:34 AM HADT
UTC: 2026-08-12 18:34:07 UTC
Depth: 32.1 km (19.9 mi), shallow
Epicenter: 51.664° N, 173.529° 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 4.8 km horizontally, 15.8 km in depth
Magnitude uncertainty: ±0.12
Depth from: From location
Station coverage gap: 210°, poorly surrounded by stations
Stations used: 18

Nearby

Within 100 km, magnitude 1.5 and up: 53 since this one and 146 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 us6000tkam (also filed as aka2026pxiase). Read Wed, Sep 23, 2026, 4:24 AM UTC.