M3.2 earthquake 204 km W of Adak, Alaska

A magnitude 3.2 earthquake struck 204 km W of Adak, Alaska on Wed, Jan 29, 2025, 12:21 AM HAST (10:21 UTC), 172 km (107 mi) below the surface.

A larger quake followed: M4.0 169 km WNW of Adak, 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
3.2	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.091 · 16 stations
3.1	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: 74 in the 60 days after this one and 27 in the 30 days before it.

The first 60 of 74.

From the USGS Earthquake Hazards Program and its partner networks, event us7000pfnc (also filed as ak0251c4nx8s). Read Fri, Oct 2, 2026, 1:00 AM UTC.