Alaska earthquakes

M1.9 earthquake 83 km S of Unalaska, Alaska

A magnitude 1.9 earthquake struck 83 km S of Unalaska, Alaska on Mon, Oct 17, 2016, 7:49 AM AKDT (15:49 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M3.7 58 km SSE of Unalaska, Alaska. This one was a foreshock.

Unalaska forecast More in Alaska

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, Oct 17, 2016, 7:49 AM AKDT
UTC: 2016-10-17 15:49:51 UTC
Depth: 25.6 km (15.9 mi), shallow
Epicenter: 53.135° N, 166.781° 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: 15

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast84 kmSSW

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 60 in the 30 days before it.

After

The first 60 of 84.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016ddim3tw (also filed as ak14229429). Read Sat, Oct 3, 2026, 11:22 PM UTC.