Alaska earthquakes

M2.1 earthquake 135 km SE of Atka, Alaska

A magnitude 2.1 earthquake struck 135 km SE of Atka, Alaska on Fri, Jan 26, 2018, 1:31 AM HAST (11:31 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.9 50 km SE 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: Fri, Jan 26, 2018, 1:31 AM HAST
UTC: 2018-01-26 11:31:15 UTC
Depth: 5.8 km (3.6 mi), shallow
Epicenter: 51.190° N, 173.085° 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: 40 in the 60 days after this one and 44 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018176pgun (also filed as ak18241977). Read Thu, Oct 1, 2026, 10:51 PM UTC.