M3.7 earthquake 48 km E of Nikolski, Alaska

A magnitude 3.7 earthquake struck 48 km E of Nikolski, Alaska on Sun, Jan 13, 2019, 6:20 PM AKST (03:20 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.3 90 km SSE 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
3.7	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.126 · 16 stations
3.7	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: 50 in the 60 days after this one and 21 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us2000j3v0 (also filed as ak019n7fhj0). Read Sat, Oct 3, 2026, 7:50 AM UTC.