M3.6 earthquake 12km ENE of Ridgecrest, CA

A magnitude 3.6 earthquake struck 12km ENE of Ridgecrest, CA on Thu, Apr 8, 2021, 1:51 PM PDT (20:51 UTC), 8 km (5 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
3.62	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.132 · 120 stations
3.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.03 · 146 stations

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

121 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: 182 in the 60 days after this one and 106 in the 30 days before it.

The first 60 of 182.

From the USGS Earthquake Hazards Program and its partner networks, event ci39843952 (also filed as us6000e04q). Read Sun, Oct 4, 2026, 2:48 PM UTC.