Alaska earthquakes

M3.4 earthquake 77 km NNW of Karluk, Alaska

A magnitude 3.4 earthquake struck 77 km NNW of Karluk, Alaska on Sun, Mar 1, 2026, 2:26 AM AKST (11:26 UTC), 97 km (60 mi) below the surface.

A larger quake followed: M4.0 18 km N of Larsen Bay, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.4 (ML, local (Richter)), minor
Magnitude from: Alaska Earthquake Center
Local time: Sun, Mar 1, 2026, 2:26 AM AKST
UTC: 2026-03-01 11:26:47 UTC
Depth: 96.5 km (60.0 mi), intermediate-depth
Epicenter: 58.243° N, 154.792° 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
3.4	ML, local (Richter)	Alaska Earthquake Center	Preferred · Reviewed · ±0.2 · 117 stations
3.4	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.041 · 80 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 3.1 km horizontally, 1.4 km in depth
Magnitude uncertainty: ±0.20
Station coverage gap: 80°
Stations used: 159

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 93 in the 30 days before it.

After

The first 60 of 198.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026efepqm (also filed as us7000s185). Read Mon, Oct 5, 2026, 7:25 AM UTC.