Alaska earthquakes

M3.1 earthquake 55 km WNW of Nikiski, Alaska

A magnitude 3.1 earthquake struck 55 km WNW of Nikiski, Alaska on Fri, Oct 26, 2018, 7:28 PM AKDT (03:28 UTC), 100 km (62 mi) below the surface.

A larger quake followed: M4.0 44 km NW of Beluga, 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: 3.1 (ml), minor
Local time: Fri, Oct 26, 2018, 7:28 PM AKDT
UTC: 2018-10-27 03:28:01 UTC
Depth: 99.8 km (62.0 mi), intermediate-depth
Epicenter: 60.958° N, 152.157° 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: 206

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 133 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ds76f44 (also filed as ak20291792, us1000hhvg). Read Wed, Sep 30, 2026, 4:24 AM UTC.