M2.5 earthquake 3km SW of Brawley, CA

A magnitude 2.5 earthquake struck 3km SW of Brawley, CA on Sat, Apr 24, 2021, 10:48 PM PDT (05:48 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M5.3 11km W of Calipatria, 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
2.49	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.229 · 25 stations
2.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.064 · 32 stations

1 person reported to the USGS what they felt; the strongest reported shaking was II, 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: 193 in the 60 days after this one and 89 in the 30 days before it.

The first 60 of 193.

From the USGS Earthquake Hazards Program and its partner networks, event ci39628183 (also filed as us6000e4k9). Read Sun, Oct 4, 2026, 8:42 AM UTC.