Chile earthquakes

M4.4 earthquake 91 km W of Illapel, Chile

A magnitude 4.4 earthquake struck 91 km W of Illapel, Chile on Thu, Sep 17, 2015, 4:55 AM GMT-3 (07:55 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M6.6 22 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
4.4 (mwr), light
Local time
UTC
2015-09-17 07:55:56 UTC
Depth
15.8 km (9.8 mi), shallow
Epicenter
31.761° S, 72.120° 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
4.4 Mwr
Nodal plane 1
Strike 5°, dip 22°, rake 82°
Nodal plane 2
Strike 193°, dip 68°, rake 93°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.1 km horizontally, 3.9 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
115°
Stations used
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 106 in the 30 days before it.

After

  1. 4.460 km W of Illapel, Chile · 4027 days ago · 6 km deep · 38 km away
  2. 4.574 km W of Illapel, Chile · 4027 days ago · 8 km deep · 16 km away
  3. 4.374 km WSW of Illapel, Chile · 4027 days ago · 15 km deep · 22 km away
  4. 4.489 km WSW of Ovalle, Chile · 4027 days ago · 11 km deep · 88 km away
  5. 4.269 km NW of Illapel, Chile · 4027 days ago · 26 km deep · 67 km away
  6. 4.573 km NW of Illapel, Chile · 4027 days ago · 20 km deep · 70 km away
  7. 4.722 km W of Illapel, Chile · 4027 days ago · 39 km deep · 70 km away
  8. 4.670 km NW of Illapel, Chile · 4027 days ago · 29 km deep · 67 km away
  9. 4.482 km WSW of Illapel, Chile · 4027 days ago · 11 km deep · 11 km away
  10. 4.279 km WSW of Ovalle, Chile · 4027 days ago · 18 km deep · 91 km away
  11. 4.262 km WNW of Illapel, Chile · 4027 days ago · 23 km deep · 44 km away
  12. 4.5113 km W of Illapel, Chile · 4027 days ago · 10 km deep · 30 km away
  13. 4.681 km SW of Ovalle, Chile · 4027 days ago · 10 km deep · 85 km away
  14. 4.680 km NW of Illapel, Chile · 4027 days ago · 23 km deep · 75 km away
  15. 4.464 km WSW of Illapel, Chile · 4027 days ago · 19 km deep · 28 km away
  16. 4.685 km W of Illapel, Chile · 4027 days ago · 10 km deep · 23 km away
  17. 4.4100 km WSW of Ovalle, Chile · 4027 days ago · 16 km deep · 96 km away
  18. 4.471 km SW of Ovalle, Chile · 4027 days ago · 12 km deep · 84 km away
  19. 4.5116 km W of Illapel, Chile · 4027 days ago · 14 km deep · 34 km away
  20. 4.376 km W of Illapel, Chile · 4027 days ago · 9 km deep · 15 km away
  21. 4.457 km WNW of Illapel, Chile · 4027 days ago · 29 km deep · 52 km away
  22. 4.245 km WSW of Illapel, Chile · 4027 days ago · 26 km deep · 47 km away
  23. 4.355 km W of Illapel, Chile · 4027 days ago · 26 km deep · 38 km away
  24. 5.398 km WNW of La Ligua, Chile · 4027 days ago · 7 km deep · 42 km away
  25. 4.660 km WNW of Illapel, Chile · 4027 days ago · 26 km deep · 56 km away
  26. 4.670 km WNW of La Ligua, Chile · 4027 days ago · 10 km deep · 51 km away
  27. 4.3110 km WNW of Illapel, Chile · 4027 days ago · 10 km deep · 51 km away
  28. 4.695 km WNW of Illapel, Chile · 4027 days ago · 40 km deep · 48 km away
  29. 5.9113 km WNW of La Ligua, Chile · 4027 days ago · 10 km deep · 49 km away · felt by 1
  30. 4.575 km WNW of Illapel, Chile · 4027 days ago · 10 km deep · 41 km away
  31. 4.470 km SW of Ovalle, Chile · 4027 days ago · 30 km deep · 86 km away
  32. 4.4139 km WSW of Ovalle, Chile · 4027 days ago · 10 km deep · 96 km away
  33. 4.544 km NW of La Ligua, Chile · 4027 days ago · 35 km deep · 70 km away
  34. 5.782 km WSW of Ovalle, Chile · 4027 days ago · 10 km deep · 96 km away · felt by 3
  35. 4.168 km WNW of Illapel, Chile · 4027 days ago · 31 km deep · 42 km away
  36. 4.664 km WNW of Illapel, Chile · 4027 days ago · 10 km deep · 54 km away
  37. 4.4133 km W of Illapel, Chile · 4027 days ago · 10 km deep · 55 km away
  38. 4.473 km NW of Illapel, Chile · 4027 days ago · 21 km deep · 67 km away
  39. 4.875 km W of Illapel, Chile · 4027 days ago · 27 km deep · 16 km away
  40. 4.881 km WNW of Illapel, Chile · 4027 days ago · 15 km deep · 50 km away
  41. 4.351 km NW of Illapel, Chile · 4027 days ago · 10 km deep · 78 km away
  42. 4.460 km SW of Illapel, Chile · 4027 days ago · 28 km deep · 46 km away
  43. 4.174 km W of Illapel, Chile · 4027 days ago · 25 km deep · 28 km away
  44. 4.868 km WNW of Illapel, Chile · 4027 days ago · 6 km deep · 41 km away
  45. 4.778 km WNW of La Ligua, Chile · 4027 days ago · 3 km deep · 61 km away
  46. 4.489 km W of Illapel, Chile · 4027 days ago · 10 km deep · 19 km away
  47. 4.479 km W of Illapel, Chile · 4027 days ago · 10 km deep · 17 km away
  48. 4.376 km WNW of Illapel, Chile · 4027 days ago · 12 km deep · 35 km away
  49. 4.581 km WSW of Ovalle, Chile · 4027 days ago · 10 km deep · 99 km away
  50. 4.983 km W of Illapel, Chile · 4027 days ago · 4 km deep · 8 km away · felt by 1
  51. 4.286 km WNW of Illapel, Chile · 4027 days ago · 17 km deep · 43 km away
  52. 4.4117 km WSW of Ovalle, Chile · 4027 days ago · 10 km deep · 88 km away
  53. 4.4112 km WSW of Illapel, Chile · 4027 days ago · 10 km deep · 24 km away
  54. 4.498 km W of Illapel, Chile · 4027 days ago · 10 km deep · 12 km away
  55. 5.066 km WNW of La Ligua, Chile · 4027 days ago · 16 km deep · 66 km away
  56. 4.5104 km W of Illapel, Chile · 4027 days ago · 10 km deep · 27 km away
  57. 4.177 km WNW of Illapel, Chile · 4027 days ago · 24 km deep · 48 km away
  58. 4.164 km WNW of Illapel, Chile · 4027 days ago · 30 km deep · 45 km away
  59. 4.165 km WNW of Illapel, Chile · 4027 days ago · 34 km deep · 40 km away
  60. 5.275 km SW of Ovalle, Chile · 4027 days ago · 23 km deep · 86 km away

The first 60 of at least 199.

Before

  1. 4.580 km W of Illapel, Chile · 4027 days ago · 9 km deep · 10 km away
  2. 4.474 km SW of Ovalle, Chile · 4027 days ago · 39 km deep · 83 km away
  3. 4.941 km WNW of Illapel, Chile · 4027 days ago · 44 km deep · 59 km away
  4. 4.777 km WSW of Illapel, Chile · 4027 days ago · 13 km deep · 14 km away
  5. 4.5Near the coast of Coquimbo, Chile · 4027 days ago · 22 km deep · 56 km away
  6. 4.368 km W of Illapel, Chile · 4027 days ago · 32 km deep · 31 km away
  7. 4.3125 km WNW of Illapel, Chile · 4027 days ago · 17 km deep · 69 km away
  8. 4.382 km W of Illapel, Chile · 4027 days ago · 10 km deep · 19 km away
  9. 4.974 km W of Illapel, Chile · 4027 days ago · 18 km deep · 19 km away
  10. 4.867 km WNW of Illapel, Chile · 4027 days ago · 18 km deep · 40 km away
  11. 4.545 km WNW of La Ligua, Chile · 4027 days ago · 38 km deep · 74 km away
  12. 4.4Near the coast of Coquimbo, Chile · 4027 days ago · 28 km deep · 47 km away
  13. 4.742 km W of Illapel, Chile · 4027 days ago · 10 km deep · 49 km away
  14. 4.889 km WSW of Illapel, Chile · 4027 days ago · 16 km deep · 13 km away
  15. 4.489 km WSW of Illapel, Chile · 4027 days ago · 10 km deep · 17 km away
  16. 5.592 km WSW of Illapel, Chile · 4027 days ago · 10 km deep · 5 km away · felt by 1
  17. 5.279 km WNW of Illapel, Chile · 4027 days ago · 9 km deep · 44 km away
  18. 4.368 km WSW of Illapel, Chile · 4027 days ago · 21 km deep · 35 km away
  19. 4.691 km WNW of Illapel, Chile · 4027 days ago · 23 km deep · 48 km away
  20. 4.346 km W of Illapel, Chile · 4027 days ago · 45 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003kix. Read Sat, Sep 26, 2026, 10:59 AM UTC.