Alaska earthquakes

M2.2 earthquake 88 km SE of Unalaska, Alaska

A magnitude 2.2 earthquake struck 88 km SE of Unalaska, Alaska on Tue, Apr 3, 2018, 4:33 PM AKDT (00:33 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.5 96 km SSE of Akutan, 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: 2.2 (ml), micro
Local time: Tue, Apr 3, 2018, 4:33 PM AKDT
UTC: 2018-04-04 00:33:49 UTC
Depth: 25.6 km (15.9 mi), shallow
Epicenter: 53.233° N, 165.734° 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: 20

Nearest places

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

Unalaska, AlaskaPopulation 4,491. Forecast89 kmSE

Nearby

Within 100 km, magnitude 1.5 and up: 95 in the 60 days after this one and 55 in the 30 days before it.

After

The first 60 of 95.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0184bgpsvc (also filed as ak18942046). Read Thu, Oct 1, 2026, 12:46 AM UTC.