M2.5 earthquake 74 km N of Karluk, Alaska

A magnitude 2.5 earthquake struck 74 km N of Karluk, Alaska on Sat, Apr 30, 2022, 1:41 AM AKDT (09:41 UTC), 85 km (53 mi) below the surface.

A larger quake followed: M3.4 20 km SSW of Larsen Bay, Alaska. This one was a foreshock.

Map

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

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
2.5	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.6	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.05 · 53 stations

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 100 in the 60 days after this one and 53 in the 30 days before it.

The first 60 of 100.

From the USGS Earthquake Hazards Program and its partner networks, event ak0225im3cwj (also filed as us7000h61y). Read Mon, Oct 5, 2026, 4:32 AM UTC.