M4.6 earthquake 151 km SE of Akutan, Alaska

A magnitude 4.6 earthquake struck 151 km SE of Akutan, Alaska on Tue, Feb 4, 2025, 10:32 AM AKST (19:32 UTC), 10 km (6 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
4.6	Mwr, regional moment	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.075 · 17 stations
4.6	Mwr, regional moment	Alaska Earthquake Center	Preliminary

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

No one has reported feeling this quake to the USGS.

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.6 and up: 124 in the 60 days after this one and 60 in the 30 days before it.

The first 60 of 124.

From the USGS Earthquake Hazards Program and its partner networks, event us7000pbb1 (also filed as ak0251m7balw). Read Thu, Oct 1, 2026, 4:31 AM UTC.