M2.5 earthquake 0km NW of Pacoima, CA

A magnitude 2.5 earthquake struck 0km NW of Pacoima, CA on Wed, Mar 10, 2021, 11:14 PM PST (07:14 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.0 2km E of Lennox, 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
2.48	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.155 · 143 stations
2.2	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.071 · 26 stations

256 people reported to the USGS what they felt; the strongest reported shaking was IV, light 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: 103 in the 60 days after this one and 31 in the 30 days before it.

The first 60 of 103.

From the USGS Earthquake Hazards Program and its partner networks, event ci39577103 (also filed as us7000di2b). Read Sat, Oct 3, 2026, 4:58 AM UTC.