Chile earthquakes

M4.1 earthquake 42 km SW of Valparaíso, Chile

A magnitude 4.1 earthquake struck 42 km SW of Valparaíso, Chile on Thu, Apr 27, 2017, 3:55 AM GMT-3 (06:55 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M5.9 37 km WSW of Valparaíso, 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
4.1 (mwr), light
Local time
UTC
2017-04-27 06:55:45 UTC
Depth
24.2 km (15.0 mi), shallow
Epicenter
33.285° S, 71.973° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was IV, light 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
4.1 Mwr
Nodal plane 1
Strike 353°, dip 18°, rake 90°
Nodal plane 2
Strike 173°, dip 72°, rake 90°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.2 km horizontally, 6.5 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
171°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 48 in the 60 days after this one and 107 in the 30 days before it.

After

  1. 4.738 km SW of Valparaíso, Chile · 3442 days ago · 20 km deep · 4 km away · felt by 11
  2. 4.335 km WSW of Valparaíso, Chile · 3442 days ago · 29 km deep · 9 km away
  3. 3.942 km SW of Valparaíso, Chile · 3441 days ago · 22 km deep · 4 km away · felt by 1
  4. 5.937 km WSW of Valparaíso, Chile · 3440 days ago · 22 km deep · 7 km away · felt by 325
  5. 4.740 km SW of Valparaíso, Chile · 3440 days ago · 24 km deep · 3 km away · felt by 1
  6. 4.636 km SW of Valparaíso, Chile · 3440 days ago · 22 km deep · 6 km away · felt by 1
  7. 4.338 km SW of Valparaíso, Chile · 3440 days ago · 23 km deep · 4 km away
  8. 4.645 km WSW of Valparaíso, Chile · 3440 days ago · 21 km deep · 8 km away · felt by 1
  9. 5.147 km WSW of Valparaíso, Chile · 3440 days ago · 10 km deep · 11 km away · felt by 2
  10. 4.551 km WSW of Valparaíso, Chile · 3440 days ago · 20 km deep · 13 km away · felt by 1
  11. 5.444 km WSW of Valparaíso, Chile · 3440 days ago · 22 km deep · 9 km away · felt by 2
  12. 5.818 km WSW of Valparaíso, Chile · 3440 days ago · 27 km deep · 24 km away · felt by 52
  13. 4.660 km WSW of Valparaíso, Chile · 3440 days ago · 10 km deep · 25 km away · felt by 1
  14. 3.639 km WSW of Valparaíso, Chile · 3440 days ago · 23 km deep · 8 km away
  15. 4.639 km NW of Cartagena, Chile · 3440 days ago · 24 km deep · 5 km away · felt by 1
  16. 4.347 km WSW of Valparaíso, Chile · 3440 days ago · 20 km deep · 13 km away · felt by 1
  17. 4.651 km WSW of Valparaíso, Chile · 3440 days ago · 22 km deep · 19 km away · felt by 1
  18. 4.244 km WSW of Valparaíso, Chile · 3440 days ago · 22 km deep · 12 km away
  19. 3.750 km WNW of Cartagena, Chile · 3440 days ago · 20 km deep · 9 km away · felt by 1
  20. 4.551 km WSW of Valparaíso, Chile · 3440 days ago · 19 km deep · 16 km away · felt by 1
  21. 5.340 km SW of Valparaíso, Chile · 3440 days ago · 18 km deep · 2 km away · felt by 10
  22. 4.145 km WNW of Cartagena, Chile · 3440 days ago · 20 km deep · 9 km away · felt by 2
  23. 4.239 km SW of Valparaíso, Chile · 3440 days ago · 26 km deep · 3 km away · felt by 2
  24. 3.850 km WSW of Valparaíso, Chile · 3440 days ago · 23 km deep · 13 km away · felt by 1
  25. 4.138 km WSW of Valparaíso, Chile · 3440 days ago · 22 km deep · 6 km away · felt by 1
  26. 3.864 km WSW of Valparaíso, Chile · 3440 days ago · 21 km deep · 31 km away
  27. 4.439 km WNW of Cartagena, Chile · 3440 days ago · 20 km deep · 11 km away · felt by 1
  28. 4.444 km WSW of Valparaíso, Chile · 3440 days ago · 20 km deep · 10 km away · felt by 1
  29. 5.136 km WSW of Valparaíso, Chile · 3440 days ago · 19 km deep · 8 km away · felt by 25
  30. 3.817 km SW of Valparaíso, Chile · 3440 days ago · 22 km deep · 25 km away
  31. 3.948 km WSW of Valparaíso, Chile · 3440 days ago · 22 km deep · 11 km away · felt by 1
  32. 4.247 km WSW of Valparaíso, Chile · 3440 days ago · 21 km deep · 13 km away · felt by 2
  33. 4.251 km WSW of Valparaíso, Chile · 3440 days ago · 20 km deep · 17 km away
  34. 3.961 km W of Valparaíso, Chile · 3438 days ago · 16 km deep · 44 km away
  35. 4.154 km W of Valparaíso, Chile · 3437 days ago · 17 km deep · 37 km away · felt by 3
  36. 4.257 km W of Valparaíso, Chile · 3437 days ago · 13 km deep · 36 km away
  37. 4.460 km W of Valparaíso, Chile · 3435 days ago · 18 km deep · 37 km away · felt by 2
  38. 3.971 km W of Valparaíso, Chile · 3434 days ago · 8 km deep · 56 km away
  39. 3.9Off the coast of Valparaiso, Chile · 3429 days ago · 20 km deep · 60 km away
  40. 5.239 km WNW of Valparaíso, Chile · 3425 days ago · 15 km deep · 40 km away · felt by 12
  41. 4.311 km S of Valparaíso, Chile · 3424 days ago · 31 km deep · 35 km away · felt by 2
  42. 4.262 km W of Valparaíso, Chile · 3423 days ago · 13 km deep · 46 km away
  43. 4.273 km W of Valparaíso, Chile · 3421 days ago · 12 km deep · 51 km away · felt by 1
  44. 4.151 km WNW of Valparaíso, Chile · 3416 days ago · 16 km deep · 44 km away · felt by 1
  45. 3.949 km WNW of Valparaíso, Chile · 3409 days ago · 17 km deep · 42 km away · felt by 3
  46. 4.262 km W of Valparaíso, Chile · 3409 days ago · 18 km deep · 49 km away
  47. 4.558 km W of Valparaíso, Chile · 3397 days ago · 10 km deep · 36 km away · felt by 7
  48. 4.321 km W of Valparaíso, Chile · 3395 days ago · 26 km deep · 26 km away · felt by 15

Before

  1. 5.139 km SW of Valparaíso, Chile · 3442 days ago · 23 km deep · 3 km away · felt by 57
  2. 3.915 km SW of Valparaíso, Chile · 3442 days ago · 29 km deep · 27 km away · felt by 3
  3. 4.337 km SW of Valparaíso, Chile · 3442 days ago · 27 km deep · 7 km away · felt by 2
  4. 4.340 km SW of Valparaíso, Chile · 3442 days ago · 19 km deep · 2 km away · felt by 1
  5. 4.358 km WSW of Valparaíso, Chile · 3442 days ago · 15 km deep · 28 km away · felt by 6
  6. 3.734 km WNW of Valparaíso, Chile · 3443 days ago · 22 km deep · 37 km away · felt by 1
  7. 4.031 km WNW of Valparaíso, Chile · 3443 days ago · 23 km deep · 37 km away · felt by 3
  8. 3.9Off the coast of Valparaiso, Chile · 3443 days ago · 15 km deep · 25 km away
  9. 4.354 km W of Valparaíso, Chile · 3443 days ago · 18 km deep · 28 km away · felt by 4
  10. 4.145 km SW of Valparaíso, Chile · 3443 days ago · 19 km deep · 4 km away · felt by 2
  11. 4.156 km W of Valparaíso, Chile · 3443 days ago · 10 km deep · 35 km away
  12. 3.6Off the coast of Valparaiso, Chile · 3443 days ago · 27 km deep · 30 km away · felt by 1
  13. 4.249 km WSW of Valparaíso, Chile · 3443 days ago · 15 km deep · 21 km away · felt by 1
  14. 4.755 km W of Valparaíso, Chile · 3443 days ago · 16 km deep · 29 km away · felt by 5
  15. 4.157 km W of Valparaíso, Chile · 3443 days ago · 18 km deep · 32 km away · felt by 1
  16. 4.049 km W of Valparaíso, Chile · 3443 days ago · 17 km deep · 39 km away · felt by 1
  17. 4.253 km WNW of Valparaíso, Chile · 3443 days ago · 17 km deep · 46 km away · felt by 1
  18. 4.155 km WNW of Valparaíso, Chile · 3443 days ago · 17 km deep · 48 km away
  19. 4.338 km W of Valparaíso, Chile · 3443 days ago · 25 km deep · 21 km away · felt by 1
  20. 4.054 km W of Valparaíso, Chile · 3444 days ago · 18 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008l8d. Read Mon, Sep 28, 2026, 8:35 PM UTC.