Chile earthquakes

M4.7 earthquake 19 km WNW of Valparaíso, Chile

A magnitude 4.7 earthquake struck 19 km WNW of Valparaíso, Chile on Fri, Oct 5, 1973, 3:18 AM GMT-3 (06:18 UTC), 34 km (21 mi) below the surface.

A larger quake followed: M5.6 25 km WNW of Valparaíso, Chile. This one was a foreshock.

Valparaíso 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: 4.7 (mb), light
Local time: Fri, Oct 5, 1973, 3:18 AM GMT-3
UTC: 1973-10-05 06:18:52 UTC
Depth: 34.0 km (21.1 mi), shallow
Epicenter: 32.992° S, 71.834° 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: 18

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 32 in the 60 days after this one and 5 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 usp00003ph (also filed as iscgem755130). Read Wed, Sep 23, 2026, 12:52 AM UTC.