Alaska earthquakes

M2.0 earthquake 82 km SW of Unalaska, Alaska

A magnitude 2.0 earthquake struck 82 km SW of Unalaska, Alaska on Sun, Oct 22, 2017, 7:54 PM AKDT (03:54 UTC), 75 km (47 mi) below the surface.

A larger quake followed: M4.7 83 km ENE 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, Oct 22, 2017, 7:54 PM AKDT
UTC: 2017-10-23 03:54:05 UTC
Depth: 75.4 km (46.9 mi), intermediate-depth
Epicenter: 53.366° N, 167.444° 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: 16

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast82 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 80 in the 60 days after this one and 26 in the 30 days before it.

After

The first 60 of 80.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017dll6m23 (also filed as ak17105836). Read Fri, Oct 2, 2026, 12:44 AM UTC.