Alaska earthquakes

M2.1 earthquake 140 km WSW of Adak, Alaska

A magnitude 2.1 earthquake struck 140 km WSW of Adak, Alaska on Sat, Nov 5, 2016, 9:03 AM HADT (18:03 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M5.2 229 km W of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 2.1 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Nov 5, 2016, 9:03 AM HADT
UTC: 2016-11-05 18:03:38 UTC
Depth: 12.4 km (7.7 mi), shallow
Epicenter: 51.488° N, 178.562° 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: 90 in the 60 days after this one and 32 in the 30 days before it.

After

The first 60 of 90.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016e8zc42f (also filed as ak14314771). Read Sun, Oct 4, 2026, 12:19 AM UTC.