Alaska earthquakes

M2.3 earthquake 49 km WSW of Nikolski, Alaska

A magnitude 2.3 earthquake struck 49 km WSW of Nikolski, Alaska on Fri, Jan 22, 2021, 5:22 AM AKST (14:22 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.3 127 km SSW 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: 2.3 (ml), micro
Local time: Fri, Jan 22, 2021, 5:22 AM AKST
UTC: 2021-01-22 14:22:03 UTC
Depth: 16.4 km (10.2 mi), shallow
Epicenter: 52.830° N, 169.571° 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: 17

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast233 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 30 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 ak02110mafdc (also filed as av91178481). Read Sun, Sep 27, 2026, 9:22 PM UTC.