Chile earthquakes

M4.0 earthquake 79 km W of Iquique, Chile

A magnitude 4.0 earthquake struck 79 km W of Iquique, Chile on Mon, Apr 21, 2014, 4:10 AM GMT-3 (07:10 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M5.3 113 km NW of Iquique, Chile. This one was a foreshock.

Iquique 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
2014-04-21 07:10:38 UTC
Depth
16.3 km (10.1 mi), shallow
Epicenter
20.213° S, 70.912° 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.

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 355°, dip 36°, rake 99°
Nodal plane 2
Strike 164°, dip 55°, rake 83°

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.05
Depth from
FROM_LOCATION
Station coverage gap
167°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 86 in the 60 days after this one and 113 in the 30 days before it.

After

  1. 5.3113 km NW of Iquique, Chile · 4538 days ago · 17 km deep · 67 km away
  2. 4.4103 km WNW of Iquique, Chile · 4538 days ago · 12 km deep · 50 km away
  3. 3.895 km SSW of Iquique, Chile · 4537 days ago · 25 km deep · 91 km away
  4. 3.893 km WNW of Iquique, Chile · 4536 days ago · 17 km deep · 28 km away
  5. 4.093 km WSW of Iquique, Chile · 4536 days ago · 10 km deep · 36 km away
  6. 4.882 km W of Iquique, Chile · 4535 days ago · 16 km deep · 14 km away
  7. 5.189 km WNW of Iquique, Chile · 4535 days ago · 11 km deep · 26 km away
  8. 4.1117 km WNW of Iquique, Chile · 4535 days ago · 9 km deep · 45 km away
  9. 4.1106 km WNW of Iquique, Chile · 4535 days ago · 10 km deep · 35 km away
  10. 4.679 km W of Iquique, Chile · 4534 days ago · 15 km deep · 5 km away
  11. 4.082 km WSW of Iquique, Chile · 4534 days ago · 10 km deep · 46 km away
  12. 3.885 km W of Iquique, Chile · 4532 days ago · 14 km deep · 8 km away
  13. 4.7Near the coast of Tarapaca, Chile · 4531 days ago · 21 km deep · 32 km away
  14. 3.979 km WSW of Iquique, Chile · 4531 days ago · 10 km deep · 33 km away
  15. 4.679 km NNW of Iquique, Chile · 4531 days ago · 39 km deep · 94 km away · felt by 3
  16. 4.397 km WNW of Iquique, Chile · 4531 days ago · 16 km deep · 39 km away
  17. 4.592 km WNW of Iquique, Chile · 4531 days ago · 13 km deep · 34 km away
  18. 4.291 km WNW of Iquique, Chile · 4529 days ago · 10 km deep · 28 km away
  19. 4.3105 km WNW of Iquique, Chile · 4529 days ago · 15 km deep · 48 km away
  20. 4.289 km WNW of Iquique, Chile · 4528 days ago · 14 km deep · 39 km away
  21. 4.488 km WNW of Iquique, Chile · 4528 days ago · 17 km deep · 38 km away
  22. 4.3115 km WNW of Iquique, Chile · 4528 days ago · 27 km deep · 51 km away
  23. 4.8106 km WNW of Iquique, Chile · 4527 days ago · 6 km deep · 33 km away
  24. 4.292 km WNW of Iquique, Chile · 4525 days ago · 19 km deep · 22 km away
  25. 5.088 km WNW of Iquique, Chile · 4525 days ago · 10 km deep · 21 km away
  26. 4.386 km WNW of Iquique, Chile · 4525 days ago · 15 km deep · 19 km away
  27. 4.087 km WNW of Iquique, Chile · 4525 days ago · 11 km deep · 22 km away
  28. 4.279 km WNW of Iquique, Chile · 4524 days ago · 13 km deep · 17 km away
  29. 4.382 km W of Iquique, Chile · 4524 days ago · 13 km deep · 16 km away
  30. 3.551 km NNW of Iquique, Chile · 4524 days ago · 44 km deep · 69 km away
  31. 4.231 km W of Iquique, Chile · 4524 days ago · 31 km deep · 49 km away
  32. 4.595 km WNW of Iquique, Chile · 4524 days ago · 11 km deep · 32 km away
  33. 4.087 km WNW of Iquique, Chile · 4524 days ago · 15 km deep · 28 km away
  34. 4.593 km WNW of Iquique, Chile · 4524 days ago · 20 km deep · 39 km away
  35. 4.8117 km SW of Arica, Chile · 4524 days ago · 24 km deep · 97 km away
  36. 4.1118 km SW of Arica, Chile · 4524 days ago · 24 km deep · 100 km away
  37. 4.2122 km SW of Arica, Chile · 4524 days ago · 11 km deep · 100 km away
  38. 5.465 km W of Iquique, Chile · 4524 days ago · 13 km deep · 14 km away
  39. 4.379 km W of Iquique, Chile · 4524 days ago · 17 km deep · 1 km away
  40. 4.983 km WNW of Iquique, Chile · 4523 days ago · 16 km deep · 30 km away
  41. 4.575 km NNW of Iquique, Chile · 4522 days ago · 39 km deep · 88 km away
  42. 3.962 km NW of Iquique, Chile · 4522 days ago · 40 km deep · 68 km away
  43. 4.690 km WNW of Iquique, Chile · 4522 days ago · 11 km deep · 27 km away
  44. 4.278 km WSW of Iquique, Chile · 4520 days ago · 7 km deep · 16 km away
  45. 4.195 km WSW of Iquique, Chile · 4520 days ago · 15 km deep · 35 km away
  46. 4.129 km W of Iquique, Chile · 4519 days ago · 34 km deep · 50 km away
  47. 4.089 km WSW of Iquique, Chile · 4518 days ago · 16 km deep · 43 km away
  48. 4.282 km WNW of Iquique, Chile · 4518 days ago · 14 km deep · 16 km away
  49. 4.691 km WSW of Iquique, Chile · 4517 days ago · 13 km deep · 43 km away
  50. 4.591 km WNW of Iquique, Chile · 4515 days ago · 9 km deep · 26 km away
  51. 5.2110 km WNW of Iquique, Chile · 4515 days ago · 10 km deep · 58 km away
  52. 4.5113 km WNW of Iquique, Chile · 4515 days ago · 30 km deep · 57 km away
  53. 4.087 km WNW of Iquique, Chile · 4515 days ago · 40 km deep · 30 km away
  54. 4.6102 km WNW of Iquique, Chile · 4515 days ago · 15 km deep · 52 km away
  55. 5.681 km WNW of Puerto, Chile · 4512 days ago · 6 km deep · 25 km away
  56. 4.390 km WNW of Iquique, Chile · 4512 days ago · 13 km deep · 25 km away
  57. 4.679 km WNW of Iquique, Chile · 4512 days ago · 15 km deep · 22 km away
  58. 4.060 km W of Iquique, Chile · 4507 days ago · 39 km deep · 21 km away
  59. 4.582 km SSW of Iquique, Chile · 4502 days ago · 36 km deep · 85 km away
  60. 4.587 km WNW of Iquique, Chile · 4502 days ago · 21 km deep · 49 km away

The first 60 of 86.

Before

  1. 4.5Off the coast of Tarapaca, Chile · 4539 days ago · 10 km deep · 38 km away
  2. 4.285 km WNW of Iquique, Chile · 4539 days ago · 18 km deep · 30 km away
  3. 4.690 km WNW of Iquique, Chile · 4539 days ago · 13 km deep · 30 km away
  4. 5.883 km WNW of Iquique, Chile · 4539 days ago · 10 km deep · 21 km away
  5. 4.083 km W of Iquique, Chile · 4540 days ago · 11 km deep · 14 km away
  6. 4.198 km WNW of Iquique, Chile · 4540 days ago · 12 km deep · 31 km away
  7. 4.1105 km WNW of Iquique, Chile · 4540 days ago · 18 km deep · 36 km away
  8. 4.595 km WSW of Iquique, Chile · 4540 days ago · 11 km deep · 47 km away
  9. 4.082 km WNW of Iquique, Chile · 4541 days ago · 17 km deep · 31 km away
  10. 4.0Off the coast of Tarapaca, Chile · 4541 days ago · 17 km deep · 30 km away
  11. 4.053 km SW of Iquique, Chile · 4541 days ago · 32 km deep · 56 km away
  12. 4.1119 km WNW of Iquique, Chile · 4541 days ago · 12 km deep · 50 km away
  13. 4.5102 km WNW of Iquique, Chile · 4541 days ago · 10 km deep · 36 km away
  14. 4.168 km WSW of Iquique, Chile · 4541 days ago · 7 km deep · 33 km away
  15. 4.1101 km WNW of Iquique, Chile · 4541 days ago · 19 km deep · 45 km away
  16. 4.292 km WSW of Iquique, Chile · 4541 days ago · 13 km deep · 37 km away
  17. 4.097 km WNW of Iquique, Chile · 4542 days ago · 20 km deep · 33 km away
  18. 4.1100 km WNW of Iquique, Chile · 4542 days ago · 18 km deep · 29 km away
  19. 4.688 km WNW of Iquique, Chile · 4542 days ago · 19 km deep · 34 km away
  20. 4.0115 km WNW of Iquique, Chile · 4542 days ago · 18 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usb000psdw. Read Wed, Sep 23, 2026, 3:33 AM UTC.