Alaska earthquakes

M3.0 earthquake 83 km ESE of Egegik, Alaska

A magnitude 3.0 earthquake struck 83 km ESE of Egegik, Alaska on Tue, Apr 3, 2018, 3:24 PM AKDT (23:24 UTC), 124 km (77 mi) below the surface.

A larger quake followed: M5.3 69 km W of Karluk, 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
3.0 (ML, local (Richter)), minor
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-04-03 23:24:36 UTC
Depth
124.2 km (77.2 mi), intermediate-depth
Epicenter
57.848° N, 156.141° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.0ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
3.0ML, local (Richter)USGS National Earthquake Information CenterReviewed

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
108

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 116 in the 60 days after this one and 30 in the 30 days before it.

After

The first 60 of 116.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0184a6tgui (also filed as ak18942036, us1000ddxv). Read Fri, Oct 2, 2026, 12:24 PM UTC.