Alaska earthquakes

M2.6 earthquake 55 km SE of King Salmon, Alaska

A magnitude 2.6 earthquake struck 55 km SE of King Salmon, Alaska on Sun, Oct 31, 2021, 6:50 PM AKDT (02:50 UTC), 155 km (96 mi) below the surface.

A larger quake followed: M3.1 100 km N of Karluk, Alaska. This one was a foreshock.

Naknek forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Sun, Oct 31, 2021, 6:50 PM AKDT
UTC: 2021-11-01 02:50:03 UTC
Depth: 154.6 km (96.1 mi), intermediate-depth
Epicenter: 58.322° N, 156.020° 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.

Stations used: 75

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 35 in the 30 days before it.

After

The first 60 of 68.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021e0geg03 (also filed as us6000ga5v). Read Tue, Sep 22, 2026, 10:25 PM UTC.