Alaska earthquakes

M2.3 earthquake 64 km W of Adak, Alaska

A magnitude 2.3 earthquake struck 64 km W of Adak, Alaska on Fri, Mar 18, 2016, 2:36 PM HADT (23:36 UTC), 70 km (44 mi) below the surface.

A larger quake followed: M4.3 131 km WSW 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: 2.3 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Mar 18, 2016, 2:36 PM HADT
UTC: 2016-03-18 23:36:14 UTC
Depth: 70.4 km (43.7 mi), intermediate-depth
Epicenter: 51.795° N, 177.565° 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: 17

Nearby

Within 100 km, magnitude 1.5 and up: 183 in the 60 days after this one and 63 in the 30 days before it.

After

The first 60 of 183.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0163ldtscw (also filed as ak13000952). Read Mon, Oct 5, 2026, 10:41 AM UTC.