Chile earthquakes

M4.0 earthquake 109 km WNW of Illapel, Chile

A magnitude 4.0 earthquake struck 109 km WNW of Illapel, Chile on Sun, Oct 18, 2015, 8:01 PM GMT-3 (23:01 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.1 104 km WNW 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
4.0 (mwr), light
Local time
UTC
2015-10-18 23:01:15 UTC
Depth
8.1 km (5.0 mi), shallow
Epicenter
31.323° S, 72.266° 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
Normal
Moment magnitude
4.0 Mwr
Nodal plane 1
Strike 7°, dip 13°, rake -79°
Nodal plane 2
Strike 175°, dip 77°, rake -93°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.0 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
129°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 94 in the 60 days after this one and 105 in the 30 days before it.

After

  1. 4.1104 km WNW of Illapel, Chile · 3991 days ago · 10 km deep · 6 km away
  2. 4.276 km NW of Illapel, Chile · 3990 days ago · 30 km deep · 52 km away
  3. 4.733 km SW of Ovalle, Chile · 3990 days ago · 40 km deep · 96 km away
  4. 4.537 km SW of Ovalle, Chile · 3989 days ago · 37 km deep · 92 km away
  5. 4.283 km W of Illapel, Chile · 3989 days ago · 10 km deep · 47 km away
  6. 4.037 km WSW of Ovalle, Chile · 3989 days ago · 36 km deep · 96 km away
  7. 4.937 km SW of Ovalle, Chile · 3989 days ago · 37 km deep · 93 km away
  8. 4.278 km NW of Illapel, Chile · 3988 days ago · 22 km deep · 47 km away
  9. 4.538 km WSW of Ovalle, Chile · 3987 days ago · 41 km deep · 92 km away
  10. 4.336 km W of Illapel, Chile · 3986 days ago · 37 km deep · 74 km away
  11. 4.7147 km W of Ovalle, Chile · 3986 days ago · 10 km deep · 74 km away
  12. 4.048 km W of Ovalle, Chile · 3986 days ago · 21 km deep · 94 km away
  13. 3.948 km W of Ovalle, Chile · 3986 days ago · 29 km deep · 100 km away
  14. 5.036 km NW of Illapel, Chile · 3985 days ago · 40 km deep · 75 km away · felt by 6
  15. 4.396 km W of Ovalle, Chile · 3985 days ago · 10 km deep · 98 km away · felt by 1
  16. 4.191 km W of Illapel, Chile · 3983 days ago · 29 km deep · 40 km away
  17. 4.388 km WSW of Ovalle, Chile · 3983 days ago · 15 km deep · 63 km away
  18. 4.381 km WSW of Ovalle, Chile · 3983 days ago · 27 km deep · 59 km away
  19. 4.538 km SW of Ovalle, Chile · 3982 days ago · 41 km deep · 92 km away
  20. 4.256 km WSW of Illapel, Chile · 3981 days ago · 31 km deep · 68 km away
  21. 4.688 km W of Illapel, Chile · 3981 days ago · 10 km deep · 47 km away
  22. 4.3108 km W of Illapel, Chile · 3981 days ago · 10 km deep · 51 km away
  23. 4.097 km W of Illapel, Chile · 3981 days ago · 23 km deep · 47 km away
  24. 4.442 km W of Ovalle, Chile · 3981 days ago · 43 km deep · 98 km away
  25. 3.997 km WSW of Illapel, Chile · 3981 days ago · 20 km deep · 59 km away
  26. 4.238 km WSW of Ovalle, Chile · 3980 days ago · 31 km deep · 93 km away
  27. 4.386 km WSW of Illapel, Chile · 3980 days ago · 2 km deep · 60 km away
  28. 4.278 km W of Illapel, Chile · 3980 days ago · 35 km deep · 50 km away
  29. 4.180 km SW of Ovalle, Chile · 3979 days ago · 20 km deep · 49 km away
  30. 4.7Near the coast of Coquimbo, Chile · 3976 days ago · 28 km deep · 92 km away · felt by 1
  31. 4.1109 km WNW of Illapel, Chile · 3976 days ago · 4 km deep · 14 km away
  32. 4.034 km WSW of Ovalle, Chile · 3974 days ago · 38 km deep · 96 km away
  33. 4.456 km W of Ovalle, Chile · 3974 days ago · 26 km deep · 83 km away
  34. 6.839 km SW of Ovalle, Chile · 3972 days ago · 46 km deep · 92 km away · felt by 180 · tsunami flag
  35. 4.667 km WSW of Ovalle, Chile · 3972 days ago · 35 km deep · 63 km away
  36. 4.932 km SW of Ovalle, Chile · 3972 days ago · 42 km deep · 97 km away
  37. 4.051 km WSW of Ovalle, Chile · 3972 days ago · 39 km deep · 83 km away
  38. 4.442 km WSW of Ovalle, Chile · 3972 days ago · 28 km deep · 92 km away
  39. 4.684 km WNW of Illapel, Chile · 3971 days ago · 8 km deep · 25 km away · felt by 1
  40. 4.198 km W of Illapel, Chile · 3970 days ago · 13 km deep · 52 km away
  41. 4.493 km W of Illapel, Chile · 3970 days ago · 10 km deep · 52 km away
  42. 4.142 km SW of Ovalle, Chile · 3969 days ago · 44 km deep · 88 km away · felt by 1
  43. 4.236 km WSW of Illapel, Chile · 3968 days ago · 35 km deep · 86 km away
  44. 4.276 km SW of Ovalle, Chile · 3967 days ago · 20 km deep · 53 km away
  45. 4.181 km W of Ovalle, Chile · 3967 days ago · 10 km deep · 90 km away
  46. 4.3Near the coast of Coquimbo, Chile · 3963 days ago · 38 km deep · 80 km away
  47. 4.359 km WSW of Ovalle, Chile · 3963 days ago · 37 km deep · 72 km away
  48. 4.186 km WSW of Illapel, Chile · 3963 days ago · 10 km deep · 61 km away
  49. 4.273 km W of Illapel, Chile · 3962 days ago · 32 km deep · 58 km away
  50. 4.4138 km WNW of Illapel, Chile · 3960 days ago · 10 km deep · 30 km away · felt by 1
  51. 4.195 km WSW of Ovalle, Chile · 3960 days ago · 24 km deep · 35 km away
  52. 4.353 km W of Illapel, Chile · 3958 days ago · 30 km deep · 57 km away
  53. 4.160 km W of Ovalle, Chile · 3957 days ago · 23 km deep · 95 km away
  54. 4.456 km W of Ovalle, Chile · 3957 days ago · 27 km deep · 94 km away
  55. 5.854 km W of Ovalle, Chile · 3957 days ago · 27 km deep · 96 km away · felt by 10
  56. 4.470 km W of Ovalle, Chile · 3957 days ago · 23 km deep · 89 km away
  57. 4.6161 km WSW of Ovalle, Chile · 3957 days ago · 10 km deep · 52 km away
  58. 4.072 km W of Illapel, Chile · 3956 days ago · 24 km deep · 40 km away
  59. 4.299 km WSW of Illapel, Chile · 3955 days ago · 3 km deep · 60 km away
  60. 5.092 km WSW of Illapel, Chile · 3955 days ago · 10 km deep · 55 km away

The first 60 of 94.

Before

  1. 4.076 km W of Illapel, Chile · 3993 days ago · 16 km deep · 55 km away
  2. 4.493 km WNW of Illapel, Chile · 3993 days ago · 10 km deep · 17 km away
  3. 4.291 km W of Illapel, Chile · 3993 days ago · 16 km deep · 41 km away
  4. 4.276 km WNW of Illapel, Chile · 3994 days ago · 30 km deep · 34 km away
  5. 4.060 km W of Ovalle, Chile · 3994 days ago · 27 km deep · 88 km away
  6. 4.764 km WSW of Ovalle, Chile · 3995 days ago · 34 km deep · 70 km away
  7. 4.249 km NW of Illapel, Chile · 3996 days ago · 50 km deep · 77 km away
  8. 4.097 km WSW of Ovalle, Chile · 3996 days ago · 7 km deep · 46 km away
  9. 4.159 km NW of Illapel, Chile · 3997 days ago · 41 km deep · 67 km away
  10. 3.995 km W of Illapel, Chile · 3997 days ago · 10 km deep · 49 km away
  11. 4.138 km WSW of Ovalle, Chile · 3997 days ago · 35 km deep · 94 km away
  12. 4.393 km W of Ovalle, Chile · 3997 days ago · 10 km deep · 93 km away
  13. 4.649 km W of Ovalle, Chile · 3998 days ago · 20 km deep · 97 km away
  14. 4.635 km SW of Ovalle, Chile · 3998 days ago · 36 km deep · 94 km away
  15. 4.083 km SW of Ovalle, Chile · 3998 days ago · 35 km deep · 48 km away
  16. 4.593 km NW of Illapel, Chile · 3998 days ago · 19 km deep · 36 km away
  17. 4.191 km NW of Illapel, Chile · 3998 days ago · 37 km deep · 37 km away
  18. 4.073 km NW of Illapel, Chile · 3998 days ago · 26 km deep · 53 km away
  19. 5.080 km NW of Illapel, Chile · 3998 days ago · 20 km deep · 44 km away
  20. 5.679 km NW of Illapel, Chile · 3998 days ago · 21 km deep · 45 km away · felt by 8

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003pjz. Read Tue, Sep 22, 2026, 8:20 AM UTC.