Alaska earthquakes

M2.1 earthquake 82 km WNW of Karluk, Alaska

A magnitude 2.1 earthquake struck 82 km WNW of Karluk, Alaska on Sun, Sep 23, 2018, 3:19 AM AKDT (11:19 UTC), 106 km (66 mi) below the surface.

A larger quake followed: M2.2 65 km SSE of King Salmon, 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: 2.1 (ml), micro
Local time: Sun, Sep 23, 2018, 3:19 AM AKDT
UTC: 2018-09-23 11:19:03 UTC
Depth: 105.9 km (65.8 mi), intermediate-depth
Epicenter: 57.970° N, 155.630° 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: 30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 52 in the 30 days before it.

After

The first 60 of 102.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018c83m5x2 (also filed as ak20261178, aacse018c83m5x2). Read Tue, Sep 22, 2026, 9:29 PM UTC.