Chile earthquakes

M5.4 earthquake 64 km WSW of Valparaíso, Chile

A magnitude 5.4 earthquake struck 64 km WSW of Valparaíso, Chile on Tue, Mar 5, 1985, 6:46 PM GMT-3 (21:46 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.5 29 km NW of Valparaíso, Chile. This one was a foreshock.

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The earthquake

Magnitude
5.4 (mb), moderate
Local time
UTC
1985-03-05 21:46:31 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
33.182° S, 72.301° 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
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Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 100 in the 60 days after this one and 74 in the 30 days before it.

After

The first 60 of 100.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cgd. Read Tue, Sep 22, 2026, 4:10 PM UTC.