Alaska earthquakes

M3.8 earthquake 37 km NNW of Nikolski, Alaska

A magnitude 3.8 earthquake struck 37 km NNW of Nikolski, Alaska on Sun, Feb 10, 2019, 8:11 AM AKST (17:11 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M4.1 37 km SSE of Nikolski, Alaska. This one was a foreshock.

Unalaska 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: 3.8 (mb), minor
Local time: Sun, Feb 10, 2019, 8:11 AM AKST
UTC: 2019-02-10 17:11:44 UTC
Depth: 127.3 km (79.1 mi), intermediate-depth
Epicenter: 53.236° N, 169.121° 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.

Location uncertainty: About 9.4 km horizontally, 8.1 km in depth
Magnitude uncertainty: ±0.25
Depth from: From location
Station coverage gap: 166°
Stations used: 34

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast185 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 10 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 us2000jg3a (also filed as ak0191w382lk). Read Wed, Sep 30, 2026, 11:18 PM UTC.