M2.9 earthquake 27km ENE of Pine Valley, CA

A magnitude 2.9 earthquake struck 27km ENE of Pine Valley, CA on Thu, Mar 11, 2021, 11:26 PM PST (07:26 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 6km SW of Holtville, 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
2.86	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.135 · 142 stations
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.057 · 40 stations

13 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 94 in the 30 days before it.

The first 60 of 196.

From the USGS Earthquake Hazards Program and its partner networks, event ci39577879 (also filed as us7000dibz). Read Sun, Oct 4, 2026, 7:35 AM UTC.