Chile earthquakes

M5.4 earthquake 111 km W of Copiapó, Chile

A magnitude 5.4 earthquake struck 111 km W of Copiapó, Chile on Thu, Jul 12, 1973, 11:41 AM GMT-4 (15:41 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M6.3 120 km WNW of Copiapó, Chile. This one was a foreshock.

Caldera forecast More in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 5.4 (mb), moderate
Local time: Thu, Jul 12, 1973, 11:41 AM GMT-4
UTC: 1973-07-12 15:41:39 UTC
Depth: 15.0 km (9.3 mi), shallow
Epicenter: 27.245° S, 71.452° W
Region: Chile
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used: 39

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.4 and up: 33 in the 60 days after this one and 40 in the 30 days before it.

After

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00002pg (also filed as iscgem758256). Read Fri, Sep 25, 2026, 6:26 PM UTC.