M3.4 earthquake 3km SSE of El Centro, CA

A magnitude 3.4 earthquake struck 3km SSE of El Centro, CA on Mon, Jan 20, 2003, 6:57 AM PST (14:57 UTC), 22 km (14 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
3.44	ML, local (Richter)	Southern California Seismic Network	Preferred · Reviewed · ±0.164 · 141 stations
3.4	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

The USGS’s account of the effects of this earthquake.

Felt at Calexico, El Centro and Heber.

From the USGS event page for ci9881373. U.S. Geological Survey text and figures are in the public domain.

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: 188 in the 60 days after this one and 75 in the 30 days before it.

The first 60 of 188.

From the USGS Earthquake Hazards Program and its partner networks, event ci9881373 (also filed as usp000bnw4). Read Mon, Oct 5, 2026, 1:42 PM UTC.