M2.3 earthquake 18km SSE of Progreso, B.C., MX

A magnitude 2.3 earthquake struck 18km SSE of Progreso, B.C., MX on Mon, Jul 22, 1985, 3:31 PM PDT (22:31 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.8 68km 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: 154 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 154.

From the USGS Earthquake Hazards Program and its partner networks, event ci71171. Read Wed, Sep 23, 2026, 1:10 PM UTC.