M4.0 earthquake 44km SSW of Progreso, B.C., MX

A magnitude 4.0 earthquake struck 44km SSW of Progreso, B.C., MX on Tue, Dec 10, 2002, 1:47 PM PST (21:47 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M5.0 74km SSW of Alberto Oviedo Mota, B.C., MX. 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
3.97	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.378 · 74 stations
4.0	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

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

Felt (II) at Lakeside and San Diego, California.

From the USGS event page for ci13917272. 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: 130 in the 60 days after this one and 50 in the 30 days before it.

The first 60 of 130.

From the USGS Earthquake Hazards Program and its partner networks, event ci13917272 (also filed as usp000bkfn). Read Sun, Oct 4, 2026, 10:46 PM UTC.