M4.2 earthquake 57 km N of Atka, Alaska

A magnitude 4.2 earthquake struck 57 km N of Atka, Alaska on Wed, Nov 27, 2024, 4:55 PM HAST (02:55 UTC), 198 km (123 mi) below the surface.

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
4.2	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.132 · 16 stations
3.6	ML, local (Richter)	Alaska Earthquake Center	Preliminary

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 50 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us6000pirx (also filed as ak024farhbl6). Read Fri, Oct 2, 2026, 1:14 AM UTC.