Chile earthquakes

M4.3 earthquake 117 km NW of Vallenar, Chile

A magnitude 4.3 earthquake struck 117 km NW of Vallenar, Chile on Tue, Sep 1, 2020, 9:51 AM GMT-4 (13:51 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.5 94 km NW of Vallenar, Chile. This one was a foreshock.

Caldera 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
4.3 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-01 13:51:25 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
27.821° S, 71.594° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
4.3 Mwr
Nodal plane 1
Strike 167°, dip 69°, rake 63°
Nodal plane 2
Strike 42°, dip 34°, rake 140°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.9 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
149°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 3.8116 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 13 km away
  2. 3.9111 km NW of Vallenar, Chile · 2222 days ago · 17 km deep · 6 km away
  3. 5.099 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 21 km away · felt by 1
  4. 6.594 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 24 km away · felt by 44
  5. 4.4101 km NW of Vallenar, Chile · 2222 days ago · 10 km deep · 16 km away
  6. 4.8102 km NW of Vallenar, Chile · 2221 days ago · 15 km deep · 16 km away · felt by 1
  7. 4.3108 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 10 km away
  8. 4.493 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 24 km away
  9. 4.489 km NW of Vallenar, Chile · 2221 days ago · 26 km deep · 29 km away
  10. 3.9107 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 22 km away
  11. 4.778 km NNW of Vallenar, Chile · 2221 days ago · 29 km deep · 43 km away
  12. 3.9123 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 12 km away
  13. 4.2117 km NW of Vallenar, Chile · 2221 days ago · 11 km deep · 3 km away
  14. 4.4107 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 10 km away
  15. 4.699 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 18 km away
  16. 4.0124 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 16 km away
  17. 4.6112 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 5 km away
  18. 4.4124 km NW of Vallenar, Chile · 2220 days ago · 11 km deep · 9 km away
  19. 4.4110 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 7 km away
  20. 4.2115 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 11 km away
  21. 4.0106 km NW of Vallenar, Chile · 2219 days ago · 17 km deep · 13 km away
  22. 4.8107 km NW of Vallenar, Chile · 2218 days ago · 11 km deep · 14 km away
  23. 4.0113 km NW of Vallenar, Chile · 2218 days ago · 12 km deep · 13 km away
  24. 4.4117 km W of Copiapó, Chile · 2217 days ago · 35 km deep · 62 km away
  25. 4.788 km NW of Vallenar, Chile · 2217 days ago · 19 km deep · 28 km away
  26. 4.590 km NW of Vallenar, Chile · 2217 days ago · 26 km deep · 26 km away
  27. 4.3103 km NW of Vallenar, Chile · 2217 days ago · 9 km deep · 19 km away
  28. 4.4111 km NW of Vallenar, Chile · 2215 days ago · 10 km deep · 24 km away
  29. 4.6116 km NW of Vallenar, Chile · 2213 days ago · 10 km deep · 13 km away · felt by 1
  30. 4.583 km NW of Vallenar, Chile · 2211 days ago · 20 km deep · 36 km away
  31. 4.176 km W of Vallenar, Chile · 2209 days ago · 38 km deep · 84 km away
  32. 4.3106 km NW of Vallenar, Chile · 2209 days ago · 17 km deep · 12 km away
  33. 4.5101 km NW of Vallenar, Chile · 2208 days ago · 18 km deep · 17 km away
  34. 4.462 km WNW of Vallenar, Chile · 2203 days ago · 38 km deep · 75 km away
  35. 4.955 km W of Copiapó, Chile · 2175 days ago · 32 km deep · 91 km away · felt by 1

Before

  1. 4.499 km NW of Vallenar, Chile · 2222 days ago · 12 km deep · 18 km away
  2. 4.683 km NNW of Vallenar, Chile · 2222 days ago · 35 km deep · 48 km away
  3. 4.491 km NW of Vallenar, Chile · 2222 days ago · 20 km deep · 26 km away
  4. 5.799 km NW of Vallenar, Chile · 2222 days ago · 22 km deep · 21 km away
  5. 4.2100 km NW of Vallenar, Chile · 2222 days ago · 13 km deep · 18 km away
  6. 4.495 km NW of Vallenar, Chile · 2222 days ago · 10 km deep · 22 km away
  7. 4.185 km NW of Vallenar, Chile · 2222 days ago · 20 km deep · 31 km away
  8. 5.888 km NW of Vallenar, Chile · 2222 days ago · 18 km deep · 29 km away
  9. 4.479 km NNW of Vallenar, Chile · 2222 days ago · 22 km deep · 44 km away
  10. 4.783 km NNW of Vallenar, Chile · 2222 days ago · 21 km deep · 47 km away
  11. 4.383 km NNW of Vallenar, Chile · 2222 days ago · 29 km deep · 41 km away
  12. 4.571 km NNW of Vallenar, Chile · 2222 days ago · 20 km deep · 67 km away
  13. 4.181 km NW of Vallenar, Chile · 2222 days ago · 19 km deep · 36 km away
  14. 4.587 km NW of Vallenar, Chile · 2222 days ago · 21 km deep · 32 km away
  15. 5.483 km NW of Vallenar, Chile · 2222 days ago · 19 km deep · 35 km away
  16. 4.888 km NNW of Vallenar, Chile · 2222 days ago · 17 km deep · 36 km away
  17. 4.979 km NW of Vallenar, Chile · 2222 days ago · 24 km deep · 38 km away
  18. 4.687 km NW of Vallenar, Chile · 2222 days ago · 17 km deep · 33 km away
  19. 4.577 km NW of Vallenar, Chile · 2222 days ago · 34 km deep · 42 km away
  20. 4.875 km SW of Copiapó, Chile · 2222 days ago · 15 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bfue. Read Fri, Oct 2, 2026, 1:31 PM UTC.