Chile earthquakes

M4.6 earthquake 74 km WSW of Valparaíso, Chile

A magnitude 4.6 earthquake struck 74 km WSW of Valparaíso, Chile on Tue, Apr 16, 1985, 5:30 PM GMT-4 (21:30 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.9 60 km W of Cartagena, 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
4.6 (mb), light
Local time
UTC
1985-04-16 21:30:02 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
33.181° S, 72.414° 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 1.6 and up: 27 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 4.684 km WSW of San Antonio, Chile · 15132 days ago · 33 km deep · 85 km away
  2. 4.574 km W of Valparaíso, Chile · 15130 days ago · 33 km deep · 2 km away
  3. 4.664 km W of San Antonio, Chile · 15129 days ago · 33 km deep · 54 km away
  4. 4.342 km WSW of San Antonio, Chile · 15129 days ago · 33 km deep · 79 km away
  5. 4.960 km W of Cartagena, Chile · 15129 days ago · 33 km deep · 34 km away
  6. 4.359 km W of Cartagena, Chile · 15128 days ago · 33 km deep · 40 km away
  7. 4.776 km W of Cartagena, Chile · 15128 days ago · 33 km deep · 37 km away
  8. 5.613 km WNW of Valparaíso, Chile · 15123 days ago · 33 km deep · 64 km away
  9. 4.832 km NW of Valparaíso, Chile · 15113 days ago · 46 km deep · 69 km away
  10. 4.7Off the coast of Valparaiso, Chile · 15108 days ago · 33 km deep · 60 km away
  11. 4.942 km W of Valparaíso, Chile · 15106 days ago · 33 km deep · 33 km away
  12. 4.583 km WSW of San Antonio, Chile · 15101 days ago · 33 km deep · 89 km away
  13. 5.671 km WSW of San Antonio, Chile · 15101 days ago · 33 km deep · 80 km away
  14. 4.982 km WSW of San Antonio, Chile · 15101 days ago · 33 km deep · 90 km away
  15. 4.678 km WSW of San Antonio, Chile · 15101 days ago · 33 km deep · 73 km away
  16. 4.953 km W of Cartagena, Chile · 15100 days ago · 33 km deep · 41 km away
  17. 4.638 km W of San Antonio, Chile · 15099 days ago · 33 km deep · 60 km away
  18. 4.569 km WNW of Cartagena, Chile · 15097 days ago · 33 km deep · 25 km away
  19. 4.661 km WNW of Cartagena, Chile · 15096 days ago · 56 km deep · 25 km away
  20. 4.543 km NW of Valparaíso, Chile · 15093 days ago · 33 km deep · 66 km away
  21. 4.6107 km WSW of San Antonio, Chile · 15091 days ago · 33 km deep · 99 km away
  22. 3.539 km WSW of Valparaíso, Chile · 15088 days ago · 33 km deep · 39 km away
  23. 3.990 km W of San Antonio, Chile · 15085 days ago · 33 km deep · 57 km away
  24. 4.650 km SW of Valparaíso, Chile · 15081 days ago · 33 km deep · 34 km away
  25. 5.333 km SW of Valparaíso, Chile · 15080 days ago · 37 km deep · 49 km away
  26. 3.964 km WNW of Cartagena, Chile · 15080 days ago · 27 km deep · 27 km away
  27. 5.550 km NNW of Valparaíso, Chile · 15078 days ago · 33 km deep · 80 km away

Before

  1. 4.868 km W of Valparaíso, Chile · 15135 days ago · 33 km deep · 8 km away
  2. 4.853 km W of Valparaíso, Chile · 15135 days ago · 33 km deep · 25 km away
  3. 4.297 km WSW of San Antonio, Chile · 15135 days ago · 33 km deep · 94 km away
  4. 4.571 km SW of San Antonio, Chile · 15135 days ago · 33 km deep · 99 km away
  5. 4.562 km W of San Antonio, Chile · 15135 days ago · 33 km deep · 53 km away
  6. 5.633 km WNW of Cartagena, Chile · 15136 days ago · 33 km deep · 54 km away
  7. 4.855 km SW of San Antonio, Chile · 15136 days ago · 33 km deep · 94 km away
  8. 3.5124 km W of Cartagena, Chile · 15138 days ago · 33 km deep · 65 km away
  9. 3.379 km SW of San Antonio, Chile · 15138 days ago · 33 km deep · 92 km away
  10. 3.359 km W of Valparaíso, Chile · 15139 days ago · 33 km deep · 29 km away
  11. 3.272 km WSW of San Antonio, Chile · 15139 days ago · 33 km deep · 88 km away
  12. 4.066 km SW of San Antonio, Chile · 15139 days ago · 33 km deep · 88 km away
  13. 3.010 km N of Cartagena, Chile · 15139 days ago · 33 km deep · 80 km away
  14. 4.274 km WSW of San Antonio, Chile · 15141 days ago · 33 km deep · 86 km away
  15. 5.032 km W of Valparaíso, Chile · 15142 days ago · 33 km deep · 45 km away
  16. 4.760 km NNW of Valparaíso, Chile · 15147 days ago · 33 km deep · 81 km away
  17. 6.242 km WSW of La Ligua, Chile · 15147 days ago · 33 km deep · 97 km away
  18. 4.943 km WSW of Valparaíso, Chile · 15148 days ago · 33 km deep · 32 km away
  19. 4.271 km W of Cartagena, Chile · 15150 days ago · 33 km deep · 35 km away
  20. 4.765 km WSW of Valparaíso, Chile · 15151 days ago · 33 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002dvv. Read Tue, Sep 22, 2026, 4:53 PM UTC.