Alaska earthquakes

M1.6 earthquake 65 km WSW of Atka, Alaska

A magnitude 1.6 earthquake struck 65 km WSW of Atka, Alaska on Thu, Dec 10, 2015, 4:31 AM HAST (14:31 UTC), 66 km (41 mi) below the surface.

A larger quake followed: M5.1 88 km E of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Thu, Dec 10, 2015, 4:31 AM HAST
UTC: 2015-12-10 14:31:31 UTC
Depth: 66.1 km (41.1 mi), shallow
Epicenter: 51.953° N, 175.073° 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: 11

Nearby

Within 100 km, magnitude 1.5 and up: 95 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 95.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak015ft5e5zo (also filed as ak12290858). Read Mon, Oct 5, 2026, 12:08 PM UTC.