Alaska earthquakes

M2.4 earthquake 65 km WSW of Karluk, Alaska

A magnitude 2.4 earthquake struck 65 km WSW of Karluk, Alaska on Tue, Oct 12, 2021, 12:31 AM AKDT (08:31 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M3.1 84 km NW 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: 2.4 (ml), micro
Local time: Tue, Oct 12, 2021, 12:31 AM AKDT
UTC: 2021-10-12 08:31:07 UTC
Depth: 81.1 km (50.4 mi), intermediate-depth
Epicenter: 57.449° N, 155.529° 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.

Stations used: 78

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 122 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 122.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021d3h40xb (also filed as us6000ftxk). Read Wed, Sep 23, 2026, 2:34 AM UTC.