M4.7 earthquake 22 km W of Antofagasta, Chile

A magnitude 4.7 earthquake struck 22 km W of Antofagasta, Chile on Sun, Jul 30, 1995, 2:08 AM GMT-4 (06:08 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.1 70 km SSW of Antofagasta, 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 1.7 and up: 136 in the 60 days after this one and 6 in the 30 days before it.

The first 60 of 136.

From the USGS Earthquake Hazards Program and its partner networks, event usp0007155. Read Tue, Sep 22, 2026, 12:13 PM UTC.