Alaska earthquakes

M1.5 earthquake 70 km WSW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 70 km WSW of Unalaska, Alaska on Mon, Dec 4, 2017, 8:07 PM AKST (05:07 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M4.0 80 km E 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: 1.5 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Dec 4, 2017, 8:07 PM AKST
UTC: 2017-12-05 05:07:38 UTC
Depth: 13.3 km (8.3 mi), shallow
Epicenter: 53.558° N, 167.457° 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. Forecast70 kmWSW

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 35 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017fkq7eg7 (also filed as ak17465636). Read Thu, Oct 1, 2026, 10:06 AM UTC.