Chile earthquakes

M3.8 earthquake 116 km NW of Vallenar, Chile

A magnitude 3.8 earthquake struck 116 km NW of Vallenar, Chile on Tue, Sep 1, 2020, 10:01 AM GMT-4 (14:01 UTC), 16 km (10 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
3.8 (Mwr, regional moment), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-01 14:01:32 UTC
Depth
15.7 km (9.7 mi), shallow
Epicenter
27.750° S, 71.492° 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
Oblique reverse
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 27°, dip 32°, rake 134°
Nodal plane 2
Strike 158°, dip 67°, rake 66°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.7 km horizontally, 5.2 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
183°, poorly surrounded by stations
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 3.9111 km NW of Vallenar, Chile · 2222 days ago · 17 km deep · 12 km away
  2. 5.099 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 17 km away · felt by 1
  3. 6.594 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 22 km away · felt by 44
  4. 4.4101 km NW of Vallenar, Chile · 2222 days ago · 10 km deep · 22 km away
  5. 4.8102 km NW of Vallenar, Chile · 2221 days ago · 15 km deep · 15 km away · felt by 1
  6. 4.3108 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 11 km away
  7. 4.493 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 23 km away
  8. 4.489 km NW of Vallenar, Chile · 2221 days ago · 26 km deep · 27 km away
  9. 3.9107 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 12 km away
  10. 4.778 km NNW of Vallenar, Chile · 2221 days ago · 29 km deep · 39 km away
  11. 3.9123 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 24 km away
  12. 4.2117 km NW of Vallenar, Chile · 2221 days ago · 11 km deep · 15 km away
  13. 4.4107 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 19 km away
  14. 4.699 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 23 km away
  15. 4.0124 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 29 km away
  16. 4.6112 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 12 km away
  17. 4.4124 km NW of Vallenar, Chile · 2220 days ago · 11 km deep · 20 km away
  18. 4.4110 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 13 km away
  19. 4.2115 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 2 km away
  20. 4.0106 km NW of Vallenar, Chile · 2219 days ago · 17 km deep · 10 km away
  21. 4.8107 km NW of Vallenar, Chile · 2218 days ago · 11 km deep · 24 km away
  22. 4.0113 km NW of Vallenar, Chile · 2218 days ago · 12 km deep · 25 km away
  23. 4.4117 km W of Copiapó, Chile · 2217 days ago · 35 km deep · 53 km away
  24. 4.788 km NW of Vallenar, Chile · 2217 days ago · 19 km deep · 29 km away
  25. 4.590 km NW of Vallenar, Chile · 2217 days ago · 26 km deep · 29 km away
  26. 4.3103 km NW of Vallenar, Chile · 2216 days ago · 9 km deep · 13 km away
  27. 4.4111 km NW of Vallenar, Chile · 2215 days ago · 10 km deep · 36 km away
  28. 4.6116 km NW of Vallenar, Chile · 2213 days ago · 10 km deep · 0 km away · felt by 1
  29. 4.583 km NW of Vallenar, Chile · 2211 days ago · 20 km deep · 40 km away
  30. 4.176 km W of Vallenar, Chile · 2209 days ago · 38 km deep · 91 km away
  31. 4.3106 km NW of Vallenar, Chile · 2209 days ago · 17 km deep · 13 km away
  32. 4.5101 km NW of Vallenar, Chile · 2208 days ago · 18 km deep · 17 km away
  33. 4.462 km WNW of Vallenar, Chile · 2203 days ago · 38 km deep · 80 km away
  34. 4.955 km W of Copiapó, Chile · 2175 days ago · 32 km deep · 78 km away · felt by 1

Before

  1. 4.3117 km NW of Vallenar, Chile · 2222 days ago · 10 km deep · 13 km away
  2. 4.499 km NW of Vallenar, Chile · 2222 days ago · 12 km deep · 21 km away
  3. 4.683 km NNW of Vallenar, Chile · 2222 days ago · 35 km deep · 41 km away
  4. 4.491 km NW of Vallenar, Chile · 2222 days ago · 20 km deep · 28 km away
  5. 5.799 km NW of Vallenar, Chile · 2222 days ago · 22 km deep · 17 km away
  6. 4.2100 km NW of Vallenar, Chile · 2222 days ago · 13 km deep · 18 km away
  7. 4.495 km NW of Vallenar, Chile · 2222 days ago · 10 km deep · 25 km away
  8. 4.185 km NW of Vallenar, Chile · 2222 days ago · 20 km deep · 33 km away
  9. 5.888 km NW of Vallenar, Chile · 2222 days ago · 18 km deep · 30 km away
  10. 4.479 km NNW of Vallenar, Chile · 2222 days ago · 22 km deep · 39 km away
  11. 4.783 km NNW of Vallenar, Chile · 2222 days ago · 21 km deep · 39 km away
  12. 4.383 km NNW of Vallenar, Chile · 2222 days ago · 29 km deep · 35 km away
  13. 4.571 km NNW of Vallenar, Chile · 2222 days ago · 20 km deep · 60 km away
  14. 4.181 km NW of Vallenar, Chile · 2222 days ago · 19 km deep · 35 km away
  15. 4.587 km NW of Vallenar, Chile · 2222 days ago · 21 km deep · 29 km away
  16. 5.483 km NW of Vallenar, Chile · 2222 days ago · 19 km deep · 33 km away
  17. 4.888 km NNW of Vallenar, Chile · 2222 days ago · 17 km deep · 30 km away
  18. 4.979 km NW of Vallenar, Chile · 2222 days ago · 24 km deep · 38 km away
  19. 4.687 km NW of Vallenar, Chile · 2222 days ago · 17 km deep · 29 km away
  20. 4.577 km NW of Vallenar, Chile · 2222 days ago · 34 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bfum. Read Fri, Oct 2, 2026, 11:40 AM UTC.