Chile earthquakes

M4.0 earthquake 54 km WNW of Valparaíso, Chile

A magnitude 4.0 earthquake struck 54 km WNW of Valparaíso, Chile on Sat, Oct 3, 2015, 1:26 AM GMT-3 (04:26 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.3 87 km WNW of La Ligua, 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.

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The earthquake

Magnitude
4.0 (mwr), light
Local time
UTC
2015-10-03 04:26:25 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
32.815° S, 72.144° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

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
Reverse (thrust)
Moment magnitude
4.0 Mwr
Nodal plane 1
Strike 13°, dip 41°, rake 108°
Nodal plane 2
Strike 170°, dip 51°, rake 75°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 3.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
149°
Stations used
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 4.387 km WNW of La Ligua, Chile · 4008 days ago · 6 km deep · 64 km away
  2. 4.261 km NW of La Ligua, Chile · 4005 days ago · 35 km deep · 85 km away
  3. 4.267 km NW of La Ligua, Chile · 4005 days ago · 23 km deep · 88 km away
  4. 4.163 km NW of La Ligua, Chile · 3999 days ago · 37 km deep · 85 km away
  5. 4.272 km WNW of Cartagena, Chile · 3998 days ago · 20 km deep · 67 km away
  6. 4.4102 km WNW of Cartagena, Chile · 3996 days ago · 10 km deep · 79 km away
  7. 4.579 km W of La Ligua, Chile · 3988 days ago · 10 km deep · 49 km away
  8. 4.429 km N of Valparaíso, Chile · 3983 days ago · 27 km deep · 46 km away
  9. 4.181 km WNW of Cartagena, Chile · 3973 days ago · 17 km deep · 63 km away
  10. 4.442 km NNW of Valparaíso, Chile · 3968 days ago · 19 km deep · 33 km away

Before

  1. 4.582 km NW of La Ligua, Chile · 4008 days ago · 35 km deep · 90 km away
  2. 4.148 km WNW of Valparaíso, Chile · 4009 days ago · 13 km deep · 6 km away
  3. 4.553 km WNW of Valparaíso, Chile · 4009 days ago · 10 km deep · 3 km away
  4. 4.6Off the coast of Valparaiso, Chile · 4011 days ago · 15 km deep · 23 km away · felt by 1
  5. 4.145 km W of Valparaíso, Chile · 4011 days ago · 23 km deep · 25 km away · felt by 1
  6. 4.351 km W of Valparaíso, Chile · 4012 days ago · 19 km deep · 23 km away · felt by 2
  7. 4.375 km WNW of Valparaíso, Chile · 4014 days ago · 10 km deep · 27 km away
  8. 4.295 km W of La Ligua, Chile · 4016 days ago · 6 km deep · 58 km away
  9. 4.2104 km NW of Valparaíso, Chile · 4016 days ago · 14 km deep · 59 km away
  10. 4.498 km W of La Ligua, Chile · 4016 days ago · 10 km deep · 58 km away · felt by 1
  11. 4.7Off the coast of Valparaiso, Chile · 4016 days ago · 10 km deep · 61 km away
  12. 4.397 km NW of Valparaíso, Chile · 4017 days ago · 10 km deep · 51 km away
  13. 4.063 km WNW of La Ligua, Chile · 4018 days ago · 16 km deep · 63 km away
  14. 4.1109 km WNW of La Ligua, Chile · 4018 days ago · 10 km deep · 72 km away
  15. 4.326 km SSE of Villa Alemana, Chile · 4018 days ago · 49 km deep · 93 km away · felt by 2
  16. 4.4Off the coast of Valparaiso, Chile · 4018 days ago · 16 km deep · 72 km away · felt by 8
  17. 3.993 km WNW of La Ligua, Chile · 4019 days ago · 16 km deep · 76 km away
  18. 4.8110 km WNW of La Ligua, Chile · 4019 days ago · 10 km deep · 77 km away
  19. 4.488 km WNW of La Ligua, Chile · 4019 days ago · 16 km deep · 73 km away
  20. 4.448 km W of Valparaíso, Chile · 4019 days ago · 12 km deep · 27 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003jy7. Read Tue, Sep 22, 2026, 9:39 PM UTC.