Chile earthquakes

M4.5 earthquake 37 km W of Valparaíso, Chile

A magnitude 4.5 earthquake struck 37 km W of Valparaíso, Chile on Sat, Apr 22, 2017, 11:52 PM GMT-3 (02:52 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M5.6 45 km W of Valparaíso, 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
4.5 (mwr), light
Local time
UTC
2017-04-23 02:52:37 UTC
Depth
16.4 km (10.2 mi), shallow
Epicenter
33.043° S, 72.029° W
Region
Chile
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was VI, strong 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
4.5 Mwr
Nodal plane 1
Strike 178°, dip 67°, rake 87°
Nodal plane 2
Strike 6°, dip 23°, rake 98°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.8 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
124°
Stations used
76

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.545 km W of Valparaíso, Chile · 3441 days ago · 15 km deep · 8 km away · felt by 3
  2. 4.535 km W of Valparaíso, Chile · 3441 days ago · 19 km deep · 3 km away · felt by 5
  3. 4.130 km W of Valparaíso, Chile · 3441 days ago · 20 km deep · 9 km away
  4. 3.938 km W of Valparaíso, Chile · 3441 days ago · 22 km deep · 1 km away
  5. 3.835 km W of Valparaíso, Chile · 3441 days ago · 24 km deep · 4 km away
  6. 4.134 km WNW of Valparaíso, Chile · 3441 days ago · 21 km deep · 10 km away · felt by 2
  7. 2.639 km W of Valparaíso, Chile · 3440 days ago · 22 km deep · 8 km away
  8. 5.645 km W of Valparaíso, Chile · 3440 days ago · 20 km deep · 9 km away · felt by 60
  9. 3.849 km W of Valparaíso, Chile · 3440 days ago · 17 km deep · 13 km away
  10. 3.246 km W of Valparaíso, Chile · 3440 days ago · 16 km deep · 9 km away
  11. 2.944 km W of Valparaíso, Chile · 3440 days ago · 18 km deep · 8 km away
  12. 3.448 km W of Valparaíso, Chile · 3440 days ago · 21 km deep · 11 km away
  13. 2.941 km W of Valparaíso, Chile · 3440 days ago · 25 km deep · 6 km away
  14. 2.752 km W of Valparaíso, Chile · 3440 days ago · 23 km deep · 15 km away
  15. 2.747 km W of Valparaíso, Chile · 3440 days ago · 21 km deep · 10 km away
  16. 2.442 km W of Valparaíso, Chile · 3440 days ago · 17 km deep · 6 km away
  17. 2.539 km W of Valparaíso, Chile · 3440 days ago · 17 km deep · 3 km away
  18. 3.947 km W of Valparaíso, Chile · 3440 days ago · 20 km deep · 11 km away
  19. 2.347 km W of Valparaíso, Chile · 3440 days ago · 13 km deep · 11 km away
  20. 3.053 km W of Valparaíso, Chile · 3440 days ago · 18 km deep · 16 km away
  21. 2.555 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 18 km away
  22. 2.749 km W of Valparaíso, Chile · 3440 days ago · 16 km deep · 12 km away
  23. 2.946 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 10 km away
  24. 2.964 km W of Valparaíso, Chile · 3440 days ago · 14 km deep · 28 km away
  25. 2.349 km W of Valparaíso, Chile · 3440 days ago · 18 km deep · 12 km away
  26. 2.449 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 12 km away
  27. 2.951 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 14 km away
  28. 2.641 km W of Valparaíso, Chile · 3440 days ago · 18 km deep · 6 km away
  29. 3.139 km W of Valparaíso, Chile · 3440 days ago · 20 km deep · 6 km away
  30. 2.652 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 15 km away
  31. 2.445 km W of Valparaíso, Chile · 3440 days ago · 17 km deep · 9 km away
  32. 2.443 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 9 km away
  33. 2.342 km W of Valparaíso, Chile · 3440 days ago · 22 km deep · 7 km away
  34. 2.543 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 8 km away
  35. 2.342 km WNW of Valparaíso, Chile · 3440 days ago · 20 km deep · 10 km away
  36. 2.347 km W of Valparaíso, Chile · 3440 days ago · 22 km deep · 10 km away
  37. 3.039 km W of Valparaíso, Chile · 3440 days ago · 26 km deep · 3 km away
  38. 2.150 km W of Valparaíso, Chile · 3440 days ago · 22 km deep · 13 km away
  39. 4.045 km W of Valparaíso, Chile · 3440 days ago · 21 km deep · 10 km away · felt by 4
  40. 2.549 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 13 km away
  41. 2.047 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 10 km away
  42. 2.546 km WNW of Valparaíso, Chile · 3440 days ago · 20 km deep · 16 km away
  43. 4.349 km W of Valparaíso, Chile · 3440 days ago · 18 km deep · 13 km away · felt by 1
  44. 4.548 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 13 km away · felt by 9
  45. 2.849 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 13 km away
  46. 2.953 km W of Valparaíso, Chile · 3440 days ago · 22 km deep · 16 km away
  47. 3.750 km W of Valparaíso, Chile · 3440 days ago · 21 km deep · 14 km away
  48. 3.446 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 10 km away
  49. 3.953 km W of Valparaíso, Chile · 3440 days ago · 22 km deep · 18 km away · felt by 2
  50. 2.547 km W of Valparaíso, Chile · 3440 days ago · 21 km deep · 10 km away
  51. 2.641 km W of Valparaíso, Chile · 3440 days ago · 19 km deep · 6 km away
  52. 2.540 km W of Valparaíso, Chile · 3440 days ago · 21 km deep · 7 km away
  53. 2.6Off the coast of Valparaiso, Chile · 3440 days ago · 21 km deep · 9 km away
  54. 2.751 km W of Valparaíso, Chile · 3440 days ago · 26 km deep · 14 km away
  55. 3.544 km W of Valparaíso, Chile · 3440 days ago · 20 km deep · 7 km away
  56. 4.846 km W of Valparaíso, Chile · 3439 days ago · 10 km deep · 9 km away
  57. 6.940 km W of Valparaíso, Chile · 3439 days ago · 28 km deep · 3 km away · felt by 1,123 · PAGER yellow · tsunami flag
  58. 5.241 km W of Valparaíso, Chile · 3439 days ago · 16 km deep · 9 km away · felt by 3
  59. 5.435 km WNW of Valparaíso, Chile · 3439 days ago · 13 km deep · 13 km away · felt by 8
  60. 3.930 km WNW of Valparaíso, Chile · 3439 days ago · 28 km deep · 12 km away · felt by 1

The first 60 of 148.

Before

  1. 4.830 km W of Valparaíso, Chile · 3441 days ago · 21 km deep · 8 km away · felt by 2
  2. 4.736 km W of Valparaíso, Chile · 3441 days ago · 20 km deep · 2 km away
  3. 6.037 km W of Valparaíso, Chile · 3441 days ago · 21 km deep · 1 km away · felt by 567
  4. 3.746 km W of Valparaíso, Chile · 3441 days ago · 19 km deep · 10 km away
  5. 4.642 km W of Valparaíso, Chile · 3441 days ago · 17 km deep · 7 km away · felt by 2
  6. 4.245 km W of Valparaíso, Chile · 3441 days ago · 19 km deep · 8 km away · felt by 1
  7. 4.948 km W of Valparaíso, Chile · 3441 days ago · 9 km deep · 13 km away · felt by 17

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008jvx. Read Thu, Sep 24, 2026, 4:22 AM UTC.