Alaska earthquakes

M2.1 earthquake 26 km SW of Karluk, Alaska

A magnitude 2.1 earthquake struck 26 km SW of Karluk, Alaska on Tue, Oct 23, 2018, 7:00 AM AKDT (15:00 UTC), 44 km (27 mi) below the surface.

A larger quake followed: M3.3 16 km WNW of Akhiok, 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: 2.1 (ml), micro
Local time: Tue, Oct 23, 2018, 7:00 AM AKDT
UTC: 2018-10-23 15:00:54 UTC
Depth: 43.6 km (27.1 mi), shallow
Epicenter: 57.377° N, 154.702° 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: 33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 99.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018dls0cfp (also filed as ak20289559, aacse018dls0cfp). Read Sun, Sep 27, 2026, 4:38 PM UTC.