M1.5 earthquake 19km SE of Tecate, B.C., MX

A magnitude 1.5 earthquake struck 19km SE of Tecate, B.C., MX on Mon, Apr 22, 1991, 4:03 AM PDT (11:03 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 44km 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: 103 in the 60 days after this one and 37 in the 30 days before it.

The first 60 of 103.

From the USGS Earthquake Hazards Program and its partner networks, event ci2017048. Read Mon, Oct 5, 2026, 6:57 AM UTC.