Chile earthquakes

M4.5 earthquake 18 km S of Valparaíso, Chile

A magnitude 4.5 earthquake struck 18 km S of Valparaíso, Chile on Wed, Feb 27, 1985, 7:29 PM GMT-3 (22:29 UTC), 60 km (37 mi) below the surface.

A larger quake followed: M8.0 25 km WSW of Valparaíso, Chile. This one was a foreshock.

Valparaíso forecastMore 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1985-02-27 22:29:05 UTC
Depth
60.2 km (37.4 mi), shallow
Epicenter
33.204° S, 71.657° 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
FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 144 in the 60 days after this one and 23 in the 30 days before it.

After

The first 60 of 144.

Before

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002c9c. Read Fri, Oct 2, 2026, 5:10 AM UTC.