Alaska earthquakes

M2.0 earthquake 170 km ESE of Nikolski, Alaska

A magnitude 2.0 earthquake struck 170 km ESE of Nikolski, Alaska on Sun, Nov 12, 2017, 9:59 PM AKST (06:59 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.9 143 km SE 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: 2.0 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sun, Nov 12, 2017, 9:59 PM AKST
UTC: 2017-11-13 06:59:53 UTC
Depth: 9.1 km (5.7 mi), shallow
Epicenter: 52.172° N, 166.679° 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. Forecast190 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 20 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 ak017ekdadj0 (also filed as ak17192099). Read Fri, Oct 2, 2026, 11:59 PM UTC.