Chile earthquakes

M4.7 earthquake 68 km NNW of Vallenar, Chile

A magnitude 4.7 earthquake struck 68 km NNW of Vallenar, Chile on Wed, May 9, 1973, 10:40 AM GMT-4 (14:40 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M5.6 81 km W of Copiapó, Chile. This one was a foreshock.

Vallenar 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1973-05-09 14:40:32 UTC
Depth
29.0 km (18.0 mi), shallow
Epicenter
28.030° S, 71.080° 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.

Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 15 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 4.1136 km WSW of Copiapó, Chile · 19450 days ago · 19 km deep · 73 km away
  2. 4.782 km WNW of Copiapó, Chile · 19449 days ago · 14 km deep · 100 km away
  3. 4.595 km W of Copiapó, Chile · 19448 days ago · 35 km deep · 93 km away
  4. 3.781 km NW of Vallenar, Chile · 19448 days ago · 33 km deep · 20 km away
  5. 4.199 km W of Copiapó, Chile · 19448 days ago · 28 km deep · 94 km away
  6. 4.158 km WSW of Copiapó, Chile · 19447 days ago · 61 km deep · 63 km away
  7. 5.183 km WNW of Copiapó, Chile · 19447 days ago · 35 km deep · 97 km away
  8. 5.681 km W of Copiapó, Chile · 19446 days ago · 34 km deep · 89 km away
  9. 4.759 km WNW of Copiapó, Chile · 19446 days ago · 25 km deep · 94 km away
  10. 5.057 km W of Copiapó, Chile · 19446 days ago · 39 km deep · 67 km away
  11. 4.790 km W of Copiapó, Chile · 19446 days ago · 23 km deep · 91 km away
  12. 4.594 km W of Copiapó, Chile · 19445 days ago · 35 km deep · 94 km away
  13. 5.392 km WNW of Copiapó, Chile · 19445 days ago · 35 km deep · 95 km away
  14. 4.997 km WNW of Copiapó, Chile · 19445 days ago · 18 km deep · 98 km away
  15. 4.791 km WNW of Copiapó, Chile · 19445 days ago · 33 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00001s4. Read Fri, Oct 2, 2026, 5:49 PM UTC.