Alaska earthquakes

M2.7 earthquake 79 km NW of Karluk, Alaska

A magnitude 2.7 earthquake struck 79 km NW of Karluk, Alaska on Mon, Sep 13, 2021, 9:58 AM AKDT (17:58 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M2.8 49 km NW of Karluk, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.7 (ml), micro
Local time
UTC
2021-09-13 17:58:45 UTC
Depth
0.6 km (0.4 mi), shallow
Epicenter
57.972° N, 155.549° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 53 in the 30 days before it.

After

The first 60 of 103.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bro1qu6 (also filed as av91373651, us7000faua). Read Tue, Sep 22, 2026, 11:22 PM UTC.