Chile earthquakes

M5.5 earthquake 45 km W of Valparaíso, Chile

A magnitude 5.5 earthquake struck 45 km W of Valparaíso, Chile on Thu, Jul 11, 1985, 4:31 PM GMT-4 (20:31 UTC), 29 km (18 mi) below the surface.

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The earthquake

Magnitude: 5.5 (mw), moderate
Local time: Thu, Jul 11, 1985, 4:31 PM GMT-4
UTC: 1985-07-11 20:31:13 UTC
Depth: 28.5 km (17.7 mi), shallow
Epicenter: 32.981° S, 72.114° 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: CONSTRAINED_BY_DEPTH_PHASES

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 15 in the 60 days after this one and 15 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002gpy (also filed as gcmtb071185b, gcmt19850711203113, iscgem520163). Read Tue, Sep 22, 2026, 8:33 PM UTC.