Alaska earthquakes

M2.6 earthquake 97 km WSW of Nikolski, Alaska

A magnitude 2.6 earthquake struck 97 km WSW of Nikolski, Alaska on Mon, Jan 25, 2021, 10:43 PM AKST (07:43 UTC), 102 km (64 mi) below the surface.

A larger quake followed: M3.8 113 km SW 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: 2.6 (ml), micro
Local time: Mon, Jan 25, 2021, 10:43 PM AKST
UTC: 2021-01-26 07:43:48 UTC
Depth: 102.4 km (63.6 mi), intermediate-depth
Epicenter: 52.742° N, 170.273° 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 13.4 km horizontally, 8.1 km in depth
Magnitude uncertainty: ±0.13
Depth from: From location
Station coverage gap: 177°
Stations used: 18

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast278 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 9 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 us6000dfp1 (also filed as ak021174edkw). Read Thu, Sep 24, 2026, 5:01 AM UTC.