M2.9 earthquake 14km NE of Coso Junction, CA

A magnitude 2.9 earthquake struck 14km NE of Coso Junction, CA on Tue, Aug 10, 2021, 10:48 AM PDT (17:48 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M4.0 13km SE of Bodfish, 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
2.9	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.155 · 69 stations
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.026 · 190 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: 149 in the 60 days after this one and 72 in the 30 days before it.

The first 60 of 149.

From the USGS Earthquake Hazards Program and its partner networks, event ci39769839 (also filed as us6000f3xc). Read Sat, Oct 3, 2026, 6:24 PM UTC.