Chile earthquakes

M3.9 earthquake 76 km W of San Antonio, Chile

A magnitude 3.9 earthquake struck 76 km W of San Antonio, Chile on Sat, Mar 9, 1985, 12:48 PM GMT-3 (15:48 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.3 79 km W of Cartagena, Chile. This one was a foreshock.

El Quisco forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.9 (mb), minor
Local time
UTC
1985-03-09 15:48:01 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
33.687° S, 72.427° 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 1.5 and up: 74 in the 60 days after this one and 98 in the 30 days before it.

After

  1. 3.649 km WNW of Cartagena, Chile · 15172 days ago · 33 km deep · 51 km away
  2. 3.724 km W of Valparaíso, Chile · 15172 days ago · 33 km deep · 91 km away
  3. 3.081 km SW of San Antonio, Chile · 15172 days ago · 33 km deep · 37 km away
  4. 3.476 km W of San Antonio, Chile · 15172 days ago · 33 km deep · 2 km away
  5. 4.379 km W of Cartagena, Chile · 15172 days ago · 33 km deep · 25 km away
  6. 4.955 km WSW of San Antonio, Chile · 15171 days ago · 33 km deep · 34 km away
  7. 3.869 km WNW of Valparaíso, Chile · 15171 days ago · 33 km deep · 92 km away
  8. 3.6111 km WSW of San Antonio, Chile · 15171 days ago · 33 km deep · 54 km away
  9. 4.531 km WNW of Valparaíso, Chile · 15171 days ago · 46 km deep · 91 km away
  10. 3.527 km S of Valparaíso, Chile · 15170 days ago · 66 km deep · 88 km away
  11. 3.368 km WSW of Valparaíso, Chile · 15170 days ago · 33 km deep · 45 km away
  12. 5.852 km W of Valparaíso, Chile · 15169 days ago · 47 km deep · 72 km away
  13. 5.273 km WSW of Valparaíso, Chile · 15169 days ago · 33 km deep · 46 km away
  14. 4.396 km W of Cartagena, Chile · 15169 days ago · 33 km deep · 36 km away
  15. 3.096 km WSW of San Antonio, Chile · 15168 days ago · 33 km deep · 23 km away
  16. 3.6146 km W of Cartagena, Chile · 15168 days ago · 33 km deep · 76 km away
  17. 4.351 km WSW of Valparaíso, Chile · 15168 days ago · 33 km deep · 66 km away
  18. 3.577 km WSW of Valparaíso, Chile · 15168 days ago · 33 km deep · 51 km away
  19. 4.493 km WNW of Cartagena, Chile · 15167 days ago · 33 km deep · 38 km away
  20. 3.752 km WNW of Valparaíso, Chile · 15167 days ago · 33 km deep · 94 km away
  21. 3.0106 km WSW of San Antonio, Chile · 15167 days ago · 33 km deep · 32 km away
  22. 2.763 km WSW of Valparaíso, Chile · 15167 days ago · 33 km deep · 46 km away
  23. 3.041 km SW of San Antonio, Chile · 15166 days ago · 33 km deep · 44 km away
  24. 4.546 km SW of Valparaíso, Chile · 15165 days ago · 33 km deep · 58 km away
  25. 4.697 km W of Cartagena, Chile · 15164 days ago · 33 km deep · 38 km away
  26. 4.4100 km W of San Antonio, Chile · 15164 days ago · 33 km deep · 25 km away
  27. 5.0near the coast of central Chile · 15163 days ago · 33 km deep · 56 km away
  28. 4.666 km SW of San Antonio, Chile · 15162 days ago · 33 km deep · 45 km away
  29. 4.684 km WNW of Santa Cruz, Chile · 15162 days ago · 33 km deep · 87 km away
  30. 6.718 km S of Valparaíso, Chile · 15162 days ago · 42 km deep · 90 km away
  31. 5.012 km SW of Valparaíso, Chile · 15162 days ago · 58 km deep · 91 km away
  32. 4.480 km WSW of Valparaíso, Chile · 15162 days ago · 33 km deep · 43 km away
  33. 4.738 km WNW of Cartagena, Chile · 15162 days ago · 33 km deep · 55 km away
  34. 5.223 km NW of Cartagena, Chile · 15161 days ago · 33 km deep · 66 km away
  35. 5.173 km WNW of Santa Cruz, Chile · 15159 days ago · 33 km deep · 84 km away
  36. 3.597 km W of Cartagena, Chile · 15159 days ago · 33 km deep · 29 km away
  37. 5.776 km NW of Santa Cruz, Chile · 15158 days ago · 57 km deep · 69 km away
  38. 5.658 km WSW of Valparaíso, Chile · 15158 days ago · 53 km deep · 53 km away
  39. 5.789 km WNW of Santa Cruz, Chile · 15157 days ago · 26 km deep · 73 km away
  40. 6.586 km WNW of Santa Cruz, Chile · 15156 days ago · 45 km deep · 67 km away
  41. 4.7101 km SW of San Antonio, Chile · 15156 days ago · 33 km deep · 55 km away
  42. 4.5117 km N of Constitución, Chile · 15156 days ago · 33 km deep · 70 km away
  43. 4.280 km SW of San Antonio, Chile · 15155 days ago · 10 km deep · 50 km away
  44. 4.7105 km WNW of Santa Cruz, Chile · 15153 days ago · 33 km deep · 69 km away
  45. 4.680 km WNW of Santa Cruz, Chile · 15152 days ago · 33 km deep · 69 km away
  46. 4.765 km WSW of Valparaíso, Chile · 15151 days ago · 33 km deep · 52 km away
  47. 4.271 km W of Cartagena, Chile · 15150 days ago · 33 km deep · 22 km away
  48. 4.943 km WSW of Valparaíso, Chile · 15147 days ago · 33 km deep · 69 km away
  49. 5.032 km W of Valparaíso, Chile · 15141 days ago · 33 km deep · 85 km away
  50. 7.259 km S of San Antonio, Chile · 15141 days ago · 38 km deep · 90 km away
  51. 4.274 km WSW of San Antonio, Chile · 15140 days ago · 33 km deep · 32 km away
  52. 3.010 km N of Cartagena, Chile · 15139 days ago · 33 km deep · 79 km away
  53. 4.066 km SW of San Antonio, Chile · 15139 days ago · 33 km deep · 36 km away
  54. 3.272 km WSW of San Antonio, Chile · 15138 days ago · 33 km deep · 34 km away
  55. 3.359 km W of Valparaíso, Chile · 15138 days ago · 33 km deep · 83 km away
  56. 3.379 km SW of San Antonio, Chile · 15138 days ago · 33 km deep · 37 km away
  57. 3.5124 km W of Cartagena, Chile · 15137 days ago · 33 km deep · 51 km away
  58. 4.855 km SW of San Antonio, Chile · 15136 days ago · 33 km deep · 48 km away
  59. 5.633 km WNW of Cartagena, Chile · 15135 days ago · 33 km deep · 48 km away
  60. 4.562 km W of San Antonio, Chile · 15135 days ago · 33 km deep · 15 km away

The first 60 of 74.

Before

  1. 4.746 km WNW of Cartagena, Chile · 15172 days ago · 33 km deep · 39 km away
  2. 5.865 km W of San Antonio, Chile · 15172 days ago · 33 km deep · 12 km away
  3. 3.0137 km W of Valparaíso, Chile · 15172 days ago · 33 km deep · 83 km away
  4. 2.745 km SW of Valparaíso, Chile · 15173 days ago · 10 km deep · 58 km away
  5. 2.878 km W of Valparaíso, Chile · 15173 days ago · 33 km deep · 65 km away
  6. 3.096 km W of Valparaíso, Chile · 15173 days ago · 33 km deep · 77 km away
  7. 4.721 km SW of Valparaíso, Chile · 15173 days ago · 33 km deep · 83 km away
  8. 5.021 km W of Valparaíso, Chile · 15173 days ago · 33 km deep · 90 km away
  9. 4.853 km WSW of San Antonio, Chile · 15174 days ago · 33 km deep · 37 km away
  10. 5.010 km SW of Valparaíso, Chile · 15174 days ago · 33 km deep · 93 km away
  11. 5.346 km SW of San Antonio, Chile · 15174 days ago · 33 km deep · 54 km away
  12. 5.119 km WSW of Valparaíso, Chile · 15174 days ago · 33 km deep · 88 km away
  13. 5.346 km W of Valparaíso, Chile · 15174 days ago · 33 km deep · 83 km away
  14. 4.828 km WNW of Valparaíso, Chile · 15175 days ago · 33 km deep · 97 km away
  15. 4.977 km W of Cartagena, Chile · 15175 days ago · 33 km deep · 28 km away
  16. 3.625 km WNW of Cartagena, Chile · 15175 days ago · 32 km deep · 59 km away
  17. 4.792 km WSW of San Antonio, Chile · 15175 days ago · 33 km deep · 32 km away
  18. 4.333 km SW of Valparaíso, Chile · 15175 days ago · 53 km deep · 71 km away
  19. 4.633 km W of Cartagena, Chile · 15175 days ago · 33 km deep · 45 km away
  20. 4.375 km SW of San Antonio, Chile · 15175 days ago · 33 km deep · 56 km away

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002cmk. Read Tue, Sep 22, 2026, 10:41 AM UTC.