Alaska earthquakes

M2.3 earthquake 40 km ENE of Egegik, Alaska

A magnitude 2.3 earthquake struck 40 km ENE of Egegik, Alaska on Mon, Apr 23, 2018, 3:57 PM AKDT (23:57 UTC), 172 km (107 mi) below the surface.

A larger quake followed: M3.4 51 km ENE of Ugashik, Alaska. This one was a foreshock.

Naknek forecast More in Alaska

Map

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

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The earthquake

Magnitude: 2.3 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Apr 23, 2018, 3:57 PM AKDT
UTC: 2018-04-23 23:57:50 UTC
Depth: 172.1 km (106.9 mi), intermediate-depth
Epicenter: 58.295° N, 156.708° 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: 21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 51 in the 60 days after this one and 25 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018579rifz (also filed as ak19274608). Read Fri, Oct 2, 2026, 10:00 AM UTC.