Chile earthquakes

M4.3 earthquake 97 km NW of Valparaíso, Chile

A magnitude 4.3 earthquake struck 97 km NW of Valparaíso, Chile on Wed, Sep 23, 2015, 12:06 PM GMT-3 (15:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 100 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
4.3 (mwr), light
Local time
UTC
2015-09-23 15:06:46 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
32.378° S, 72.315° 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
Reverse (thrust)
Moment magnitude
4.3 Mwr
Nodal plane 1
Strike 8°, dip 32°, rake 100°
Nodal plane 2
Strike 176°, dip 58°, rake 83°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.9 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
145°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 127 in the 30 days before it.

After

  1. 4.191 km W of Illapel, Chile · 4017 days ago · 9 km deep · 67 km away · felt by 1
  2. 4.082 km W of Illapel, Chile · 4017 days ago · 16 km deep · 75 km away
  3. 4.2105 km W of Illapel, Chile · 4017 days ago · 10 km deep · 66 km away
  4. 4.4100 km WSW of Illapel, Chile · 4017 days ago · 10 km deep · 60 km away
  5. 4.496 km WSW of Illapel, Chile · 4017 days ago · 10 km deep · 64 km away
  6. 4.3100 km WSW of Illapel, Chile · 4017 days ago · 10 km deep · 62 km away
  7. 4.7Off the coast of Valparaiso, Chile · 4017 days ago · 10 km deep · 28 km away
  8. 4.590 km W of Illapel, Chile · 4017 days ago · 7 km deep · 79 km away
  9. 4.498 km W of La Ligua, Chile · 4016 days ago · 10 km deep · 9 km away · felt by 1
  10. 4.2104 km NW of Valparaíso, Chile · 4016 days ago · 14 km deep · 8 km away
  11. 4.295 km W of La Ligua, Chile · 4016 days ago · 6 km deep · 12 km away
  12. 4.096 km W of Illapel, Chile · 4016 days ago · 10 km deep · 68 km away
  13. 4.398 km W of Illapel, Chile · 4016 days ago · 10 km deep · 65 km away
  14. 4.291 km WSW of Illapel, Chile · 4015 days ago · 13 km deep · 65 km away
  15. 4.375 km WNW of Valparaíso, Chile · 4015 days ago · 10 km deep · 59 km away
  16. 4.587 km WSW of Illapel, Chile · 4015 days ago · 24 km deep · 67 km away
  17. 4.277 km WSW of Illapel, Chile · 4015 days ago · 33 km deep · 68 km away
  18. 4.271 km W of Illapel, Chile · 4015 days ago · 20 km deep · 93 km away
  19. 4.373 km W of Illapel, Chile · 4014 days ago · 26 km deep · 86 km away
  20. 4.3172 km W of Illapel, Chile · 4014 days ago · 10 km deep · 93 km away
  21. 4.2163 km W of Illapel, Chile · 4014 days ago · 10 km deep · 85 km away
  22. 5.450 km W of Illapel, Chile · 4013 days ago · 37 km deep · 98 km away · felt by 6
  23. 4.084 km W of Illapel, Chile · 4013 days ago · 18 km deep · 79 km away
  24. 4.8109 km W of Illapel, Chile · 4013 days ago · 11 km deep · 67 km away
  25. 4.351 km W of Valparaíso, Chile · 4012 days ago · 19 km deep · 72 km away · felt by 2
  26. 3.583 km WSW of Illapel, Chile · 4012 days ago · 38 km deep · 63 km away
  27. 4.145 km W of Valparaíso, Chile · 4012 days ago · 23 km deep · 76 km away · felt by 1
  28. 4.6Off the coast of Valparaiso, Chile · 4012 days ago · 15 km deep · 72 km away · felt by 1
  29. 4.484 km W of Illapel, Chile · 4012 days ago · 10 km deep · 97 km away
  30. 4.2160 km W of Illapel, Chile · 4011 days ago · 10 km deep · 94 km away
  31. 4.489 km W of Illapel, Chile · 4010 days ago · 14 km deep · 71 km away
  32. 4.4104 km WSW of Illapel, Chile · 4010 days ago · 15 km deep · 53 km away
  33. 4.553 km WNW of Valparaíso, Chile · 4010 days ago · 10 km deep · 50 km away
  34. 4.148 km WNW of Valparaíso, Chile · 4010 days ago · 13 km deep · 53 km away
  35. 4.4157 km W of Illapel, Chile · 4009 days ago · 5 km deep · 79 km away
  36. 4.582 km NW of La Ligua, Chile · 4009 days ago · 35 km deep · 53 km away
  37. 4.054 km WNW of Valparaíso, Chile · 4008 days ago · 14 km deep · 51 km away · felt by 1
  38. 4.387 km WNW of La Ligua, Chile · 4008 days ago · 6 km deep · 24 km away
  39. 4.081 km W of Illapel, Chile · 4008 days ago · 10 km deep · 75 km away
  40. 4.5107 km W of Illapel, Chile · 4008 days ago · 10 km deep · 72 km away
  41. 3.9164 km W of Illapel, Chile · 4007 days ago · 10 km deep · 96 km away
  42. 3.944 km WSW of Illapel, Chile · 4006 days ago · 35 km deep · 94 km away
  43. 4.377 km W of Illapel, Chile · 4006 days ago · 34 km deep · 79 km away
  44. 4.261 km NW of La Ligua, Chile · 4005 days ago · 35 km deep · 60 km away
  45. 4.267 km NW of La Ligua, Chile · 4005 days ago · 23 km deep · 59 km away
  46. 4.288 km W of Illapel, Chile · 4005 days ago · 21 km deep · 79 km away · felt by 1
  47. 4.175 km W of Illapel, Chile · 4005 days ago · 10 km deep · 83 km away
  48. 4.2121 km W of Illapel, Chile · 4004 days ago · 10 km deep · 62 km away
  49. 4.1116 km W of Illapel, Chile · 4003 days ago · 10 km deep · 85 km away
  50. 5.554 km WSW of Illapel, Chile · 4002 days ago · 35 km deep · 90 km away · felt by 18
  51. 4.1104 km W of Illapel, Chile · 4001 days ago · 14 km deep · 71 km away
  52. 4.148 km WSW of Illapel, Chile · 4001 days ago · 40 km deep · 92 km away
  53. 4.163 km NW of La Ligua, Chile · 3999 days ago · 37 km deep · 58 km away
  54. 3.995 km W of Illapel, Chile · 3998 days ago · 10 km deep · 71 km away
  55. 4.291 km W of Illapel, Chile · 3994 days ago · 16 km deep · 81 km away
  56. 4.076 km W of Illapel, Chile · 3993 days ago · 16 km deep · 78 km away
  57. 4.283 km W of Illapel, Chile · 3990 days ago · 10 km deep · 79 km away
  58. 4.579 km W of La Ligua, Chile · 3988 days ago · 10 km deep · 23 km away
  59. 4.191 km W of Illapel, Chile · 3984 days ago · 29 km deep · 81 km away
  60. 4.429 km N of Valparaíso, Chile · 3984 days ago · 27 km deep · 76 km away

The first 60 of 72.

Before

  1. 4.478 km W of Illapel, Chile · 4018 days ago · 27 km deep · 90 km away
  2. 5.074 km W of Illapel, Chile · 4018 days ago · 10 km deep · 91 km away · felt by 3
  3. 4.576 km W of Illapel, Chile · 4018 days ago · 10 km deep · 98 km away
  4. 4.1101 km W of Illapel, Chile · 4018 days ago · 10 km deep · 76 km away
  5. 4.0123 km W of Illapel, Chile · 4018 days ago · 10 km deep · 89 km away
  6. 4.063 km WNW of La Ligua, Chile · 4018 days ago · 16 km deep · 42 km away
  7. 4.1109 km WNW of La Ligua, Chile · 4019 days ago · 10 km deep · 21 km away
  8. 4.4Off the coast of Valparaiso, Chile · 4019 days ago · 16 km deep · 34 km away · felt by 8
  9. 3.993 km WNW of La Ligua, Chile · 4019 days ago · 16 km deep · 31 km away
  10. 4.295 km W of Illapel, Chile · 4019 days ago · 10 km deep · 96 km away · felt by 1
  11. 4.8110 km WNW of La Ligua, Chile · 4019 days ago · 10 km deep · 26 km away
  12. 4.2105 km W of Illapel, Chile · 4019 days ago · 14 km deep · 80 km away
  13. 4.2151 km W of Illapel, Chile · 4019 days ago · 17 km deep · 85 km away
  14. 4.488 km WNW of La Ligua, Chile · 4019 days ago · 16 km deep · 31 km away
  15. 3.750 km W of Illapel, Chile · 4019 days ago · 27 km deep · 97 km away · felt by 1
  16. 4.448 km W of Valparaíso, Chile · 4019 days ago · 12 km deep · 77 km away · felt by 1
  17. 4.899 km WSW of Illapel, Chile · 4019 days ago · 10 km deep · 63 km away
  18. 4.2106 km WNW of La Ligua, Chile · 4019 days ago · 10 km deep · 23 km away
  19. 5.647 km WSW of Illapel, Chile · 4019 days ago · 28 km deep · 92 km away · felt by 43
  20. 4.265 km W of Illapel, Chile · 4019 days ago · 23 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003nc2. Read Wed, Sep 23, 2026, 6:19 AM UTC.