Alaska earthquakes

M2.1 earthquake 80 km SE of Atka, Alaska

A magnitude 2.1 earthquake struck 80 km SE of Atka, Alaska on Tue, Apr 19, 2016, 8:30 PM HADT (05:30 UTC), 59 km (36 mi) below the surface.

A larger quake followed: M4.6 76 km SSW of Atka, 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: Tue, Apr 19, 2016, 8:30 PM HADT
UTC: 2016-04-20 05:30:14 UTC
Depth: 58.5 km (36.4 mi), shallow
Epicenter: 51.739° N, 173.294° 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: 100 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 100.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01653nt5fp (also filed as ak13504631). Read Sun, Oct 4, 2026, 12:06 PM UTC.