Alaska earthquakes

M1.9 earthquake 94 km SSE of Unalaska, Alaska

A magnitude 1.9 earthquake struck 94 km SSE of Unalaska, Alaska on Fri, Jul 15, 2016, 3:40 AM AKDT (11:40 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M5.4 116 km S 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.

Open the live map with earthquakes

The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Jul 15, 2016, 3:40 AM AKDT
UTC: 2016-07-15 11:40:03 UTC
Depth: 17.5 km (10.9 mi), shallow
Epicenter: 53.084° N, 165.996° 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: 13

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast95 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 167.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01691znptm (also filed as ak13791268). Read Sun, Oct 4, 2026, 12:14 PM UTC.