M3.1 earthquake 34km SW of Primo Tapia, B.C., MX

A magnitude 3.1 earthquake struck 34km SW of Primo Tapia, B.C., MX on Sat, Jun 29, 2002, 4:27 AM PDT (11:27 UTC), 7 km (4 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
3.08	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.294 · 52 stations
3.1	Md, duration	USGS National Earthquake Information Center	Reviewed

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: 10 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ci9796049 (also filed as usp000b75e). Read Mon, Oct 5, 2026, 7:45 AM UTC.