Chile earthquakes

M5.1 earthquake 143 km W of Valparaíso, Chile

A magnitude 5.1 earthquake struck 143 km W of Valparaíso, Chile on Thu, Oct 22, 1981, 8:39 AM GMT-3 (11:39 UTC), 26 km (16 mi) below the surface.

El Quisco 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
5.1 (mb), moderate
Local time
UTC
1981-10-22 11:39:47 UTC
Depth
26.0 km (16.2 mi), shallow
Epicenter
33.257° S, 73.141° 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 2.1 and up: 1 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.5125 km WNW of Cartagena, Chile · 16405 days ago · 33 km deep · 22 km away

Before

  1. 4.5141 km W of Valparaíso, Chile · 16419 days ago · 33 km deep · 23 km away
  2. 4.8154 km W of Valparaíso, Chile · 16419 days ago · 33 km deep · 16 km away
  3. 4.5160 km W of Valparaíso, Chile · 16419 days ago · 33 km deep · 17 km away
  4. 7.2135 km W of Valparaíso, Chile · 16420 days ago · 33 km deep · 15 km away

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001gm4. Read Tue, Sep 29, 2026, 10:59 PM UTC.