M2.0 earthquake 14km SSW of Loyalton, CA

A magnitude 2.0 earthquake struck 14km SSW of Loyalton, CA on Fri, Dec 17, 2021, 9:17 PM PST (05:17 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.3 22 km N of Sutcliffe, Nevada. 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
2.02	Md, duration	Northern California Seismic System	Preferred · Final · ±0.29 · 19 stations
1.3	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.08 · 7 stations

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: 19 in the 60 days after this one and 5 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nc73665041 (also filed as nn00830139). Read Sun, Oct 4, 2026, 2:41 PM UTC.