Chile earthquakes

M4.6 earthquake 78 km WSW of San Antonio, Chile

A magnitude 4.6 earthquake struck 78 km WSW of San Antonio, Chile on Sun, May 19, 1985, 11:20 AM GMT-4 (15:20 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.5 57 km WNW of Cartagena, 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1985-05-19 15:20:42 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
33.836° S, 72.401° 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: 26 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.953 km W of Cartagena, Chile · 15112 days ago · 33 km deep · 43 km away
  2. 4.638 km W of San Antonio, Chile · 15111 days ago · 33 km deep · 43 km away
  3. 4.569 km WNW of Cartagena, Chile · 15109 days ago · 33 km deep · 50 km away
  4. 4.661 km WNW of Cartagena, Chile · 15108 days ago · 56 km deep · 59 km away
  5. 4.6107 km WSW of San Antonio, Chile · 15103 days ago · 33 km deep · 32 km away
  6. 3.539 km WSW of Valparaíso, Chile · 15100 days ago · 33 km deep · 79 km away
  7. 3.990 km W of San Antonio, Chile · 15097 days ago · 33 km deep · 25 km away
  8. 4.650 km SW of Valparaíso, Chile · 15093 days ago · 33 km deep · 67 km away
  9. 5.333 km SW of Valparaíso, Chile · 15092 days ago · 37 km deep · 81 km away
  10. 3.964 km WNW of Cartagena, Chile · 15092 days ago · 27 km deep · 50 km away
  11. 4.461 km W of San Antonio, Chile · 15083 days ago · 33 km deep · 25 km away
  12. 5.134 km WNW of Cartagena, Chile · 15076 days ago · 33 km deep · 63 km away
  13. 5.557 km WNW of Cartagena, Chile · 15066 days ago · 33 km deep · 47 km away
  14. 4.568 km WNW of Cartagena, Chile · 15066 days ago · 33 km deep · 48 km away
  15. 5.553 km WNW of Cartagena, Chile · 15065 days ago · 40 km deep · 54 km away
  16. 4.365 km W of Cartagena, Chile · 15065 days ago · 33 km deep · 38 km away
  17. 4.865 km W of Cartagena, Chile · 15065 days ago · 33 km deep · 42 km away
  18. 4.769 km WNW of Cartagena, Chile · 15065 days ago · 29 km deep · 48 km away
  19. 4.769 km W of Valparaíso, Chile · 15064 days ago · 10 km deep · 92 km away
  20. 4.6Off the coast of Valparaiso, Chile · 15064 days ago · 10 km deep · 96 km away
  21. 4.520 km WSW of Valparaíso, Chile · 15064 days ago · 33 km deep · 96 km away
  22. 5.545 km W of Valparaíso, Chile · 15060 days ago · 29 km deep · 99 km away
  23. 3.574 km W of Valparaíso, Chile · 15060 days ago · 33 km deep · 90 km away
  24. 4.570 km W of Cartagena, Chile · 15059 days ago · 33 km deep · 33 km away
  25. 4.979 km WSW of Valparaíso, Chile · 15057 days ago · 33 km deep · 60 km away
  26. 5.129 km W of Valparaíso, Chile · 15054 days ago · 33 km deep · 95 km away

Before

  1. 4.982 km WSW of San Antonio, Chile · 15113 days ago · 33 km deep · 17 km away
  2. 5.671 km WSW of San Antonio, Chile · 15113 days ago · 33 km deep · 12 km away
  3. 4.583 km WSW of San Antonio, Chile · 15113 days ago · 33 km deep · 17 km away
  4. 4.7136 km NNW of Constitución, Chile · 15114 days ago · 33 km deep · 89 km away
  5. 5.4109 km WNW of Santa Cruz, Chile · 15116 days ago · 33 km deep · 49 km away
  6. 4.942 km W of Valparaíso, Chile · 15118 days ago · 33 km deep · 90 km away
  7. 4.7Off the coast of Valparaiso, Chile · 15120 days ago · 33 km deep · 40 km away
  8. 4.190 km N of Constitución, Chile · 15129 days ago · 33 km deep · 77 km away
  9. 4.776 km W of Cartagena, Chile · 15140 days ago · 33 km deep · 36 km away
  10. 4.359 km W of Cartagena, Chile · 15140 days ago · 33 km deep · 38 km away
  11. 4.960 km W of Cartagena, Chile · 15140 days ago · 33 km deep · 45 km away
  12. 4.342 km WSW of San Antonio, Chile · 15141 days ago · 33 km deep · 38 km away
  13. 4.664 km W of San Antonio, Chile · 15141 days ago · 33 km deep · 22 km away
  14. 4.574 km W of Valparaíso, Chile · 15142 days ago · 33 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002ezq. Read Sun, Oct 4, 2026, 3:36 PM UTC.