Chile earthquakes

M3.9 earthquake 64 km WNW of La Ligua, Chile

A magnitude 3.9 earthquake struck 64 km WNW of La Ligua, Chile on Wed, Apr 27, 2016, 9:56 PM GMT-3 (00:56 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.1 84 km WSW of Illapel, Chile. This one was a foreshock.

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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
3.9 (mwr), minor
Local time
UTC
2016-04-28 00:56:05 UTC
Depth
22.3 km (13.9 mi), shallow
Epicenter
32.293° S, 71.889° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Oblique reverse
Moment magnitude
3.9 Mwr
Nodal plane 1
Strike 153°, dip 80°, rake 47°
Nodal plane 2
Strike 53°, dip 43°, rake 166°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
174°
Stations used
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.184 km WSW of Illapel, Chile · 3800 days ago · 17 km deep · 52 km away
  2. 3.652 km NNW of Valparaíso, Chile · 3797 days ago · 19 km deep · 34 km away
  3. 4.425 km W of Hacienda La Calera, Chile · 3790 days ago · 33 km deep · 64 km away · felt by 8
  4. 4.254 km NNW of Valparaíso, Chile · 3789 days ago · 24 km deep · 32 km away
  5. 4.250 km WNW of La Ligua, Chile · 3788 days ago · 56 km deep · 13 km away
  6. 4.492 km WSW of Illapel, Chile · 3778 days ago · 10 km deep · 55 km away
  7. 4.397 km WSW of Illapel, Chile · 3778 days ago · 10 km deep · 58 km away
  8. 4.2109 km W of Illapel, Chile · 3777 days ago · 30 km deep · 64 km away
  9. 4.475 km NW of La Ligua, Chile · 3775 days ago · 11 km deep · 25 km away
  10. 4.4107 km W of Illapel, Chile · 3768 days ago · 35 km deep · 71 km away
  11. 4.057 km WNW of La Ligua, Chile · 3768 days ago · 26 km deep · 9 km away
  12. 4.725 km W of Illapel, Chile · 3768 days ago · 56 km deep · 83 km away
  13. 4.055 km WNW of Illapel, Chile · 3763 days ago · 25 km deep · 93 km away
  14. 4.333 km W of Illapel, Chile · 3762 days ago · 45 km deep · 85 km away
  15. 4.359 km SW of Illapel, Chile · 3761 days ago · 35 km deep · 41 km away
  16. 4.258 km W of Illapel, Chile · 3759 days ago · 14 km deep · 84 km away
  17. 3.977 km WNW of La Ligua, Chile · 3752 days ago · 10 km deep · 13 km away · felt by 1
  18. 4.080 km W of Illapel, Chile · 3747 days ago · 20 km deep · 82 km away
  19. 4.437 km WNW of Illapel, Chile · 3742 days ago · 40 km deep · 90 km away
  20. 4.399 km W of Illapel, Chile · 3742 days ago · 10 km deep · 72 km away

Before

  1. 3.987 km W of Illapel, Chile · 3802 days ago · 10 km deep · 61 km away
  2. 4.375 km WNW of La Ligua, Chile · 3802 days ago · 14 km deep · 16 km away
  3. 4.672 km WNW of La Ligua, Chile · 3802 days ago · 22 km deep · 16 km away · felt by 2
  4. 3.721 km SW of La Ligua, Chile · 3809 days ago · 46 km deep · 60 km away
  5. 5.215 km SW of Illapel, Chile · 3810 days ago · 42 km deep · 85 km away · felt by 7
  6. 4.3Near the coast of Valparaiso, Chile · 3810 days ago · 28 km deep · 42 km away
  7. 4.270 km WNW of Illapel, Chile · 3810 days ago · 35 km deep · 93 km away · felt by 1
  8. 4.863 km WNW of La Ligua, Chile · 3813 days ago · 20 km deep · 17 km away · felt by 1
  9. 4.663 km NW of La Ligua, Chile · 3813 days ago · 18 km deep · 20 km away · felt by 1
  10. 4.661 km WNW of Illapel, Chile · 3817 days ago · 35 km deep · 90 km away
  11. 5.360 km WNW of Illapel, Chile · 3821 days ago · 30 km deep · 91 km away · felt by 7

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10005c25. Read Wed, Sep 23, 2026, 1:01 AM UTC.