Alaska earthquakes

M1.5 earthquake 15 km SW of Unalaska, Alaska

A magnitude 1.5 earthquake struck 15 km SW of Unalaska, Alaska on Fri, Mar 25, 2016, 5:30 AM AKDT (13:30 UTC), 92 km (57 mi) below the surface.

A larger quake followed: M3.9 53 km SE of Unalaska, 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: Fri, Mar 25, 2016, 5:30 AM AKDT
UTC: 2016-03-25 13:30:23 UTC
Depth: 92.4 km (57.4 mi), intermediate-depth
Epicenter: 53.763° N, 166.677° 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: 11

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast16 kmSW

Nearby

Within 100 km, magnitude 1.5 and up: 105 in the 60 days after this one and 44 in the 30 days before it.

After

The first 60 of 105.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0163wslm3k (also filed as ak13304171). Read Mon, Oct 5, 2026, 12:08 PM UTC.