M3.0 earthquake 259 km W of Adak, Alaska

A magnitude 3.0 earthquake struck 259 km W of Adak, Alaska on Sat, Feb 15, 2025, 3:52 AM GMT+12 (15:52 UTC), 184 km (114 mi) below the surface.

A larger quake followed: M4.4 Rat Islands, Aleutian Islands, 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
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.097 · 14 stations
2.7	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: 110 in the 60 days after this one and 34 in the 30 days before it.

The first 60 of 110.

From the USGS Earthquake Hazards Program and its partner networks, event us6000py0j (also filed as ak02522ofbo4). Read Fri, Oct 2, 2026, 5:54 AM UTC.