Alaska earthquakes

M1.6 earthquake 89 km WNW of Karluk, Alaska

A magnitude 1.6 earthquake struck 89 km WNW of Karluk, Alaska on Mon, Mar 11, 2024, 8:56 PM AKDT (04:56 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.4 80 km ESE of Ugashik, Alaska. This one was a foreshock.

Naknek forecastMore in Alaska

Map

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

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2024-03-12 04:56:49 UTC
Depth
10.2 km (6.3 mi), shallow
Epicenter
57.743° N, 155.925° 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.ScaleComputed byNotes
1.6ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
1.25ML, local (Richter)AVFinal · ±0.267846210448327 · 13 stations

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
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 61 in the 30 days before it.

After

The first 60 of 148.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0243b5etuo (also filed as av92228956). Read Thu, Oct 1, 2026, 11:14 PM UTC.