Chile earthquakes

M4.9 earthquake 55 km WSW of San Antonio, Chile

A magnitude 4.9 earthquake struck 55 km WSW of San Antonio, Chile on Sun, Mar 10, 1985, 2:58 AM GMT-4 (06:58 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.8 52 km W of Valparaíso, Chile. This one was a foreshock.

San Antonio 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
4.9 (mb), light
Local time
UTC
1985-03-10 06:58:01 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
33.854° S, 72.116° 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.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 63 in the 60 days after this one and 101 in the 30 days before it.

After

  1. 3.6111 km WSW of San Antonio, Chile · 15171 days ago · 33 km deep · 56 km away
  2. 4.531 km WNW of Valparaíso, Chile · 15171 days ago · 46 km deep · 99 km away
  3. 3.527 km S of Valparaíso, Chile · 15171 days ago · 66 km deep · 79 km away
  4. 3.368 km WSW of Valparaíso, Chile · 15171 days ago · 33 km deep · 65 km away
  5. 5.852 km W of Valparaíso, Chile · 15170 days ago · 47 km deep · 87 km away
  6. 5.273 km WSW of Valparaíso, Chile · 15169 days ago · 33 km deep · 68 km away
  7. 4.396 km W of Cartagena, Chile · 15169 days ago · 33 km deep · 69 km away
  8. 3.096 km WSW of San Antonio, Chile · 15169 days ago · 33 km deep · 45 km away
  9. 4.351 km WSW of Valparaíso, Chile · 15168 days ago · 33 km deep · 80 km away
  10. 3.577 km WSW of Valparaíso, Chile · 15168 days ago · 33 km deep · 76 km away
  11. 4.493 km WNW of Cartagena, Chile · 15168 days ago · 33 km deep · 69 km away
  12. 3.0106 km WSW of San Antonio, Chile · 15168 days ago · 33 km deep · 55 km away
  13. 2.763 km WSW of Valparaíso, Chile · 15167 days ago · 33 km deep · 62 km away
  14. 3.041 km SW of San Antonio, Chile · 15167 days ago · 33 km deep · 14 km away
  15. 4.546 km SW of Valparaíso, Chile · 15166 days ago · 33 km deep · 64 km away
  16. 4.697 km W of Cartagena, Chile · 15165 days ago · 33 km deep · 71 km away
  17. 4.4100 km W of San Antonio, Chile · 15164 days ago · 33 km deep · 59 km away
  18. 5.0near the coast of central Chile · 15163 days ago · 33 km deep · 51 km away
  19. 4.666 km SW of San Antonio, Chile · 15163 days ago · 33 km deep · 17 km away
  20. 4.684 km WNW of Santa Cruz, Chile · 15163 days ago · 33 km deep · 68 km away
  21. 6.718 km S of Valparaíso, Chile · 15163 days ago · 42 km deep · 85 km away
  22. 5.012 km SW of Valparaíso, Chile · 15163 days ago · 58 km deep · 91 km away
  23. 4.480 km WSW of Valparaíso, Chile · 15163 days ago · 33 km deep · 68 km away
  24. 4.738 km WNW of Cartagena, Chile · 15162 days ago · 33 km deep · 55 km away
  25. 5.223 km NW of Cartagena, Chile · 15162 days ago · 33 km deep · 57 km away
  26. 5.173 km WNW of Santa Cruz, Chile · 15159 days ago · 33 km deep · 60 km away
  27. 3.597 km W of Cartagena, Chile · 15159 days ago · 33 km deep · 63 km away
  28. 5.776 km NW of Santa Cruz, Chile · 15158 days ago · 57 km deep · 40 km away
  29. 5.658 km WSW of Valparaíso, Chile · 15158 days ago · 53 km deep · 68 km away
  30. 5.789 km WNW of Santa Cruz, Chile · 15157 days ago · 26 km deep · 55 km away
  31. 6.586 km WNW of Santa Cruz, Chile · 15157 days ago · 45 km deep · 45 km away
  32. 4.7101 km SW of San Antonio, Chile · 15157 days ago · 33 km deep · 48 km away
  33. 4.5117 km N of Constitución, Chile · 15156 days ago · 33 km deep · 69 km away
  34. 4.280 km SW of San Antonio, Chile · 15156 days ago · 10 km deep · 30 km away
  35. 4.7105 km WNW of Santa Cruz, Chile · 15154 days ago · 33 km deep · 58 km away
  36. 4.680 km WNW of Santa Cruz, Chile · 15153 days ago · 33 km deep · 44 km away
  37. 4.765 km WSW of Valparaíso, Chile · 15151 days ago · 33 km deep · 70 km away
  38. 4.271 km W of Cartagena, Chile · 15151 days ago · 33 km deep · 47 km away
  39. 4.943 km WSW of Valparaíso, Chile · 15148 days ago · 33 km deep · 79 km away
  40. 5.032 km W of Valparaíso, Chile · 15142 days ago · 33 km deep · 93 km away
  41. 7.259 km S of San Antonio, Chile · 15142 days ago · 38 km deep · 55 km away
  42. 4.274 km WSW of San Antonio, Chile · 15141 days ago · 33 km deep · 19 km away
  43. 3.010 km N of Cartagena, Chile · 15139 days ago · 33 km deep · 64 km away
  44. 4.066 km SW of San Antonio, Chile · 15139 days ago · 33 km deep · 13 km away
  45. 3.272 km WSW of San Antonio, Chile · 15139 days ago · 33 km deep · 18 km away
  46. 3.379 km SW of San Antonio, Chile · 15138 days ago · 33 km deep · 24 km away
  47. 3.5124 km W of Cartagena, Chile · 15138 days ago · 33 km deep · 84 km away
  48. 4.855 km SW of San Antonio, Chile · 15137 days ago · 33 km deep · 14 km away
  49. 5.633 km WNW of Cartagena, Chile · 15136 days ago · 33 km deep · 43 km away
  50. 4.562 km W of San Antonio, Chile · 15136 days ago · 33 km deep · 28 km away
  51. 4.571 km SW of San Antonio, Chile · 15135 days ago · 33 km deep · 22 km away
  52. 4.297 km WSW of San Antonio, Chile · 15135 days ago · 33 km deep · 42 km away
  53. 4.853 km W of Valparaíso, Chile · 15135 days ago · 33 km deep · 91 km away
  54. 4.868 km W of Valparaíso, Chile · 15135 days ago · 33 km deep · 84 km away
  55. 4.674 km WSW of Valparaíso, Chile · 15134 days ago · 33 km deep · 80 km away
  56. 4.684 km WSW of San Antonio, Chile · 15132 days ago · 33 km deep · 29 km away
  57. 4.574 km W of Valparaíso, Chile · 15130 days ago · 33 km deep · 82 km away
  58. 4.664 km W of San Antonio, Chile · 15129 days ago · 33 km deep · 28 km away
  59. 4.342 km WSW of San Antonio, Chile · 15129 days ago · 33 km deep · 12 km away
  60. 4.960 km W of Cartagena, Chile · 15129 days ago · 33 km deep · 46 km away

The first 60 of 63.

Before

  1. 4.379 km W of Cartagena, Chile · 15172 days ago · 33 km deep · 53 km away
  2. 3.476 km W of San Antonio, Chile · 15172 days ago · 33 km deep · 35 km away
  3. 3.081 km SW of San Antonio, Chile · 15172 days ago · 33 km deep · 27 km away
  4. 3.724 km W of Valparaíso, Chile · 15172 days ago · 33 km deep · 97 km away
  5. 3.649 km WNW of Cartagena, Chile · 15172 days ago · 33 km deep · 58 km away
  6. 3.976 km W of San Antonio, Chile · 15172 days ago · 33 km deep · 34 km away
  7. 4.746 km WNW of Cartagena, Chile · 15172 days ago · 33 km deep · 43 km away
  8. 5.865 km W of San Antonio, Chile · 15172 days ago · 33 km deep · 24 km away
  9. 2.745 km SW of Valparaíso, Chile · 15173 days ago · 10 km deep · 63 km away
  10. 2.878 km W of Valparaíso, Chile · 15173 days ago · 33 km deep · 89 km away
  11. 4.721 km SW of Valparaíso, Chile · 15173 days ago · 33 km deep · 80 km away
  12. 5.021 km W of Valparaíso, Chile · 15174 days ago · 33 km deep · 95 km away
  13. 4.853 km WSW of San Antonio, Chile · 15174 days ago · 33 km deep · 3 km away
  14. 5.010 km SW of Valparaíso, Chile · 15174 days ago · 33 km deep · 91 km away
  15. 5.346 km SW of San Antonio, Chile · 15174 days ago · 33 km deep · 20 km away
  16. 5.119 km WSW of Valparaíso, Chile · 15175 days ago · 33 km deep · 90 km away
  17. 5.346 km W of Valparaíso, Chile · 15175 days ago · 33 km deep · 96 km away
  18. 4.977 km W of Cartagena, Chile · 15175 days ago · 33 km deep · 55 km away
  19. 3.625 km WNW of Cartagena, Chile · 15175 days ago · 32 km deep · 51 km away
  20. 4.792 km WSW of San Antonio, Chile · 15175 days ago · 33 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cpa. Read Tue, Sep 22, 2026, 9:39 PM UTC.