Alaska earthquakes

M2.0 earthquake 112 km SE of Ugashik, Alaska

A magnitude 2.0 earthquake struck 112 km SE of Ugashik, Alaska on Mon, Sep 11, 2023, 7:49 PM AKDT (03:49 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.4 22 km NW of Akhiok, Alaska. This one was a foreshock.

Naknek forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.0 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-09-12 03:49:54 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
56.825° N, 156.039° 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
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 87 in the 60 days after this one and 56 in the 30 days before it.

After

The first 60 of 87.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023bps4f5d. Read Thu, Oct 1, 2026, 9:58 PM UTC.