Chile earthquakes

M3.7 earthquake 46 km W of Valparaíso, Chile

A magnitude 3.7 earthquake struck 46 km W of Valparaíso, Chile on Sat, Apr 22, 2017, 11:17 PM GMT-3 (02:17 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M6.9 40 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
3.7 (mwr), minor
Local time
UTC
2017-04-23 02:17:56 UTC
Depth
19.4 km (12.1 mi), shallow
Epicenter
33.005° S, 72.124° 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
3.7 Mwr
Nodal plane 1
Strike 18°, dip 20°, rake 115°
Nodal plane 2
Strike 172°, dip 72°, rake 81°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.9 km horizontally, 4.3 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
195°, poorly surrounded by stations
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: 153 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 6.037 km W of Valparaíso, Chile · 3448 days ago · 21 km deep · 9 km away · felt by 567
  2. 4.736 km W of Valparaíso, Chile · 3448 days ago · 20 km deep · 11 km away
  3. 4.830 km W of Valparaíso, Chile · 3448 days ago · 21 km deep · 16 km away · felt by 2
  4. 4.537 km W of Valparaíso, Chile · 3448 days ago · 16 km deep · 10 km away · felt by 2
  5. 4.545 km W of Valparaíso, Chile · 3448 days ago · 15 km deep · 4 km away · felt by 3
  6. 4.535 km W of Valparaíso, Chile · 3448 days ago · 19 km deep · 13 km away · felt by 5
  7. 4.130 km W of Valparaíso, Chile · 3448 days ago · 20 km deep · 16 km away
  8. 3.938 km W of Valparaíso, Chile · 3448 days ago · 22 km deep · 9 km away
  9. 3.835 km W of Valparaíso, Chile · 3447 days ago · 24 km deep · 13 km away
  10. 4.134 km WNW of Valparaíso, Chile · 3447 days ago · 21 km deep · 14 km away · felt by 2
  11. 2.639 km W of Valparaíso, Chile · 3447 days ago · 22 km deep · 8 km away
  12. 5.645 km W of Valparaíso, Chile · 3447 days ago · 20 km deep · 1 km away · felt by 60
  13. 3.849 km W of Valparaíso, Chile · 3447 days ago · 17 km deep · 8 km away
  14. 3.246 km W of Valparaíso, Chile · 3447 days ago · 16 km deep · 3 km away
  15. 2.944 km W of Valparaíso, Chile · 3447 days ago · 18 km deep · 2 km away
  16. 3.448 km W of Valparaíso, Chile · 3447 days ago · 21 km deep · 3 km away
  17. 2.941 km W of Valparaíso, Chile · 3447 days ago · 25 km deep · 10 km away
  18. 2.752 km W of Valparaíso, Chile · 3447 days ago · 23 km deep · 9 km away
  19. 2.747 km W of Valparaíso, Chile · 3447 days ago · 21 km deep · 6 km away
  20. 2.442 km W of Valparaíso, Chile · 3447 days ago · 17 km deep · 4 km away
  21. 2.539 km W of Valparaíso, Chile · 3447 days ago · 17 km deep · 8 km away
  22. 3.947 km W of Valparaíso, Chile · 3447 days ago · 20 km deep · 3 km away
  23. 2.347 km W of Valparaíso, Chile · 3447 days ago · 13 km deep · 9 km away
  24. 3.053 km W of Valparaíso, Chile · 3447 days ago · 18 km deep · 10 km away
  25. 2.555 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 9 km away
  26. 2.749 km W of Valparaíso, Chile · 3447 days ago · 16 km deep · 5 km away
  27. 2.946 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 6 km away
  28. 2.964 km W of Valparaíso, Chile · 3447 days ago · 14 km deep · 18 km away
  29. 2.349 km W of Valparaíso, Chile · 3447 days ago · 18 km deep · 4 km away
  30. 2.449 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 7 km away
  31. 2.951 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 8 km away
  32. 2.641 km W of Valparaíso, Chile · 3447 days ago · 18 km deep · 5 km away
  33. 3.139 km W of Valparaíso, Chile · 3447 days ago · 20 km deep · 7 km away
  34. 2.652 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 6 km away
  35. 2.445 km W of Valparaíso, Chile · 3447 days ago · 17 km deep · 10 km away
  36. 2.443 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 12 km away
  37. 2.342 km W of Valparaíso, Chile · 3447 days ago · 22 km deep · 3 km away
  38. 2.543 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 3 km away
  39. 2.342 km WNW of Valparaíso, Chile · 3447 days ago · 20 km deep · 6 km away
  40. 2.347 km W of Valparaíso, Chile · 3447 days ago · 22 km deep · 1 km away
  41. 3.039 km W of Valparaíso, Chile · 3447 days ago · 26 km deep · 7 km away
  42. 2.150 km W of Valparaíso, Chile · 3447 days ago · 22 km deep · 6 km away
  43. 4.045 km W of Valparaíso, Chile · 3447 days ago · 21 km deep · 11 km away · felt by 4
  44. 2.549 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 3 km away
  45. 2.047 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 5 km away
  46. 2.546 km WNW of Valparaíso, Chile · 3447 days ago · 20 km deep · 10 km away
  47. 4.349 km W of Valparaíso, Chile · 3447 days ago · 18 km deep · 8 km away · felt by 1
  48. 4.548 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 13 km away · felt by 9
  49. 2.849 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 10 km away
  50. 2.953 km W of Valparaíso, Chile · 3447 days ago · 22 km deep · 11 km away
  51. 3.750 km W of Valparaíso, Chile · 3447 days ago · 21 km deep · 13 km away
  52. 3.446 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 10 km away
  53. 3.953 km W of Valparaíso, Chile · 3447 days ago · 22 km deep · 15 km away · felt by 2
  54. 2.547 km W of Valparaíso, Chile · 3447 days ago · 21 km deep · 4 km away
  55. 2.641 km W of Valparaíso, Chile · 3447 days ago · 19 km deep · 5 km away
  56. 2.540 km W of Valparaíso, Chile · 3447 days ago · 21 km deep · 6 km away
  57. 2.6Off the coast of Valparaiso, Chile · 3447 days ago · 21 km deep · 9 km away
  58. 2.751 km W of Valparaíso, Chile · 3447 days ago · 26 km deep · 10 km away
  59. 3.544 km W of Valparaíso, Chile · 3447 days ago · 20 km deep · 4 km away
  60. 4.846 km W of Valparaíso, Chile · 3446 days ago · 10 km deep · 7 km away

The first 60 of 153.

Before

  1. 4.642 km W of Valparaíso, Chile · 3448 days ago · 17 km deep · 4 km away · felt by 2
  2. 4.245 km W of Valparaíso, Chile · 3448 days ago · 19 km deep · 2 km away · felt by 1
  3. 4.948 km W of Valparaíso, Chile · 3448 days ago · 9 km deep · 3 km away · felt by 17

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008jvj. Read Thu, Oct 1, 2026, 12:09 AM UTC.