Alaska earthquakes

M2.7 earthquake 144 km W of Nikolski, Alaska

A magnitude 2.7 earthquake struck 144 km W of Nikolski, Alaska on Mon, Aug 10, 2026, 9:00 AM HADT (18:00 UTC), 205 km (127 mi) below the surface.

A larger quake followed: M6.5 177 km W of Nikolski, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Mon, Aug 10, 2026, 9:00 AM HADT
UTC: 2026-08-10 18:00:18 UTC
Depth: 205.0 km (127.4 mi), intermediate-depth
Epicenter: 53.191° N, 170.978° 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 11.7 km horizontally, 6.1 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 159°
Stations used: 16

Nearby

Within 100 km, magnitude 1.5 and up: 29 since this one and 7 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 us6000tk57 (also filed as aka2026ptownc). Read Wed, Sep 30, 2026, 3:39 AM UTC.