M1.9 earthquake 10km NW of Truckee, CA

A magnitude 1.9 earthquake struck 10km NW of Truckee, CA on Fri, Feb 12, 2021, 9:17 AM PST (17:17 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.7 10km SSE of Beckwourth, CA. 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
1.93	Md, duration	Northern California Seismic System	Preferred · Final · ±0.103 · 8 stations
1.7	ML, local (Richter)	Nevada Seismological Laboratory	Reviewed · ±0.42 · 9 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: 29 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event nc73522121 (also filed as nn00800219). Read Sat, Oct 3, 2026, 1:08 PM UTC.