M3.8 earthquake 144 km WNW of Nikolski, Alaska

A magnitude 3.8 earthquake struck 144 km WNW of Nikolski, Alaska on Sun, Jan 19, 2025, 9:47 PM HAST (07:47 UTC), 210 km (131 mi) below the surface.

A larger quake followed: M4.2 50 km WNW of Nikolski, 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
3.8	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.226 · 5 stations
3.4	ML, local (Richter)	Alaska Earthquake Center	Preliminary

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 2 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us7000pa21 (also filed as ak025x77376). Read Sat, Oct 3, 2026, 7:46 AM UTC.