Alaska earthquakes

M3.1 earthquake 26 km NNE of Atka, Alaska

A magnitude 3.1 earthquake struck 26 km NNE of Atka, Alaska on Fri, Feb 6, 2026, 5:08 AM HAST (15:08 UTC), 155 km (97 mi) below the surface.

A larger quake followed: M4.4 93 km ENE of Atka, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 3.1 (ML, local (Richter)), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Fri, Feb 6, 2026, 5:08 AM HAST
UTC: 2026-02-06 15:08:56 UTC
Depth: 155.5 km (96.6 mi), intermediate-depth
Epicenter: 52.413° N, 174.028° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.1	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.077 · 22 stations
3.3	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.4 · 25 stations

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 21.9 km horizontally, 8.6 km in depth
Magnitude uncertainty: ±0.08
Depth from: From location
Station coverage gap: 162°
Stations used: 23

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 17 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 us6000s8b2 (also filed as ak2026cpghac). Read Fri, Oct 2, 2026, 12:01 AM UTC.