M3.0 earthquake 33 km NW of Cartagena, Chile

A magnitude 3.0 earthquake struck 33 km NW of Cartagena, Chile on Tue, Mar 5, 1985, 4:50 PM GMT-3 (19:50 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.5 72 km SW of San Antonio, Chile. 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: 106 in the 60 days after this one and 83 in the 30 days before it.

The first 60 of 106.

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cg7. Read Tue, Sep 22, 2026, 12:14 PM UTC.