Chile earthquakes

M5.3 earthquake 46 km W of Valparaíso, Chile

A magnitude 5.3 earthquake struck 46 km W of Valparaíso, Chile on Wed, Mar 6, 1985, 10:56 PM GMT-3 (01:56 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.8 65 km W of San Antonio, Chile. This one was a foreshock.

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The earthquake

Magnitude: 5.3 (mb), moderate
Local time: Wed, Mar 6, 1985, 10:56 PM GMT-3
UTC: 1985-03-07 01:56:05 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 32.989° S, 72.123° 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.

Depth from: OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 2.3 and up: 75 in the 60 days after this one and 80 in the 30 days before it.

After

The first 60 of 75.

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cj1 (also filed as iscgem529410). Read Tue, Sep 22, 2026, 10:41 AM UTC.