Alaska earthquakes

M2.2 earthquake 210 km WSW of Adak, Alaska

A magnitude 2.2 earthquake struck 210 km WSW of Adak, Alaska on Wed, Apr 4, 2018, 10:53 PM HADT (07:53 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.5 208 km W of Adak, Alaska. This one was a foreshock.

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, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Wed, Apr 4, 2018, 10:53 PM HADT
UTC: 2018-04-05 07:53:26 UTC
Depth: 8.5 km (5.3 mi), shallow
Epicenter: 51.309° N, 179.538° 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

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 77 in the 30 days before it.

After

The first 60 of 77.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0184d8jf5n (also filed as ak18972514). Read Fri, Oct 2, 2026, 12:04 AM UTC.