M2.3 earthquake 27 km W of Nikiski, Alaska

A magnitude 2.3 earthquake struck 27 km W of Nikiski, Alaska on Sat, Nov 1, 2025, 2:45 PM AKDT (22:45 UTC), 70 km (44 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M4.8 11 km WNW of Beluga, 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
2.3	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.031 · 137 stations

No one has reported feeling this quake to the USGS.

An automatic solution; a seismologist may revise it.

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

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 134 in the 30 days before it.

The first 60 of at least 201.

From the USGS Earthquake Hazards Program and its partner networks, event ak025e0sa2c2 (also filed as us6000rkz7). Read Sun, Oct 4, 2026, 2:07 PM UTC.