Chile earthquakes

M5.6 earthquake 38 km WSW of La Ligua, Chile

A magnitude 5.6 earthquake struck 38 km WSW of La Ligua, Chile on Sat, Jul 31, 1971, 6:08 PM GMT-4 (22:08 UTC), 40 km (25 mi) below the surface.

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Map

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

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The earthquake

Magnitude
5.6 (mw), moderate
Local time
UTC
1971-07-31 22:08:48 UTC
Depth
39.9 km (24.8 mi), shallow
Epicenter
32.540° S, 71.625° W
Region
Chile
Strongest shaking
V, moderate shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
V, moderate shaking
Peak ground acceleration
6.9% of gravity
Peak ground velocity
1.0 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.50
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.6 and up: 1 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 5.328 km SW of Illapel, Chile · 20096 days ago · 57 km deep · 82 km away

Before

  1. 5.130 km WNW of Valparaíso, Chile · 20168 days ago · 15 km deep · 50 km away
  2. 5.469 km WNW of La Ligua, Chile · 20168 days ago · 26 km deep · 46 km away
  3. 5.532 km WSW of Valparaíso, Chile · 20168 days ago · 39 km deep · 71 km away
  4. 6.449 km WNW of La Ligua, Chile · 20168 days ago · 40 km deep · 28 km away
  5. 5.034 km N of Valparaíso, Chile · 20169 days ago · 30 km deep · 22 km away
  6. 5.432 km NNW of Valparaíso, Chile · 20169 days ago · 37 km deep · 24 km away
  7. 5.239 km SW of Illapel, Chile · 20170 days ago · 50 km deep · 72 km away
  8. 5.539 km WNW of La Ligua, Chile · 20170 days ago · 30 km deep · 23 km away
  9. 5.964 km W of La Ligua, Chile · 20170 days ago · 24 km deep · 33 km away
  10. 7.819 km NNE of Hacienda La Calera, Chile · 20171 days ago · 61 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem783067. Read Mon, Sep 28, 2026, 8:35 PM UTC.