Alaska earthquakes

M2.2 earthquake 42 km ENE of Adak, Alaska

A magnitude 2.2 earthquake struck 42 km ENE of Adak, Alaska on Wed, Dec 7, 2016, 1:42 PM HAST (23:42 UTC), 128 km (80 mi) below the surface.

A larger quake followed: M4.7 72 km NNE 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, Dec 7, 2016, 1:42 PM HAST
UTC: 2016-12-07 23:42:59 UTC
Depth: 128.0 km (79.5 mi), intermediate-depth
Epicenter: 52.068° N, 176.095° 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: 12

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 50 in the 30 days before it.

After

The first 60 of 72.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016fpzqshm (also filed as ak14718161). Read Sat, Oct 3, 2026, 11:30 AM UTC.