Alaska earthquakes

M2.9 earthquake 40 km SW of Karluk, Alaska

A magnitude 2.9 earthquake struck 40 km SW of Karluk, Alaska on Fri, Aug 13, 2021, 6:44 PM AKDT (02:44 UTC), 51 km (32 mi) below the surface.

A larger quake followed: M3.3 98 km WSW of Akhiok, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude: 2.9 (ml), micro
Local time: Fri, Aug 13, 2021, 6:44 PM AKDT
UTC: 2021-08-14 02:44:36 UTC
Depth: 50.8 km (31.6 mi), shallow
Epicenter: 57.305° N, 154.931° 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: 80

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 63 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 ak021adswt26 (also filed as us6000f5z9). Read Wed, Sep 23, 2026, 5:22 AM UTC.