M1.8 earthquake 11km NW of Progreso, B.C., MX

A magnitude 1.8 earthquake struck 11km NW of Progreso, B.C., MX on Mon, Dec 25, 1978, 12:36 PM PST (20:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 36km WSW 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.

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: 156 in the 60 days after this one and 80 in the 30 days before it.

The first 60 of 156.

From the USGS Earthquake Hazards Program and its partner networks, event ci3314357. Read Wed, Sep 30, 2026, 6:57 PM UTC.