Chile earthquakes

M5.1 earthquake 25 km SSW of San Antonio, Chile

A magnitude 5.1 earthquake struck 25 km SSW of San Antonio, Chile on Tue, Mar 5, 1985, 1:38 PM GMT-3 (16:38 UTC), 49 km (31 mi) below the surface.

A larger quake followed: M5.4 64 km WSW of Valparaíso, Chile. This one was a foreshock.

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

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The earthquake

Magnitude
5.1 (mb), moderate
Local time
UTC
1985-03-05 16:38:12 UTC
Depth
49.1 km (30.5 mi), shallow
Epicenter
33.810° S, 71.697° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 95 in the 60 days after this one and 73 in the 30 days before it.

After

The first 60 of 95.

Before

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cg0 (also filed as iscgem529269). Read Tue, Sep 22, 2026, 3:38 PM UTC.