Alaska earthquakes

M2.7 earthquake 95 km SSW of Atka, Alaska

A magnitude 2.7 earthquake struck 95 km SSW of Atka, Alaska on Sun, Aug 9, 2026, 10:56 AM HADT (19:56 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.8 65 km SSE of Atka, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Sun, Aug 9, 2026, 10:56 AM HADT
UTC: 2026-08-09 19:56:57 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.439° N, 174.843° 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 3.4 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.08
Depth from: Operator assigned
Station coverage gap: 210°, poorly surrounded by stations
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: 117 since this one and 82 in the 30 days before it.

After

The first 60 of 117.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000tjw0 (also filed as aka2026prwswo). Read Tue, Sep 22, 2026, 10:31 PM UTC.