M4.7 earthquake 121 km SSW of Nikolski, Alaska

A magnitude 4.7 earthquake struck 121 km SSW of Nikolski, Alaska on Sun, Apr 7, 2019, 11:35 PM AKDT (07:35 UTC), 23 km (14 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
4.7	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.028 · 391 stations
4.4	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 1.7 and up: 24 in the 60 days after this one and 14 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event us2000kc6e (also filed as ak0194i71lap). Read Thu, Oct 1, 2026, 4:21 AM UTC.