M3.2 earthquake 4km SSW of Ensenada, B.C., MX

A magnitude 3.2 earthquake struck 4km SSW of Ensenada, B.C., MX on Sat, Jan 7, 1978, 7:33 AM PST (15:33 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.5 80km SE of Maneadero, 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
3.17	ML, local (Richter)	Southern California Seismic Network	Preferred · Final · ±0.053 · 2 stations
3.3	ML, local (Richter)	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: 26 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 ci9997030 (also filed as usp0000sd5). Read Sun, Oct 4, 2026, 8:58 PM UTC.