Chile earthquakes

M4.0 earthquake 106 km NW of Vallenar, Chile

A magnitude 4.0 earthquake struck 106 km NW of Vallenar, Chile on Fri, Sep 4, 2020, 2:06 AM GMT-4 (06:06 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.9 55 km W of Copiapó, 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
4.0 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-04 06:06:34 UTC
Depth
17.1 km (10.6 mi), shallow
Epicenter
27.836° S, 71.459° 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
4.0 Mwr
Nodal plane 1
Strike 24°, dip 17°, rake 119°
Nodal plane 2
Strike 173°, dip 75°, rake 82°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.6 km horizontally, 4.9 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
168°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 4.8107 km NW of Vallenar, Chile · 2218 days ago · 11 km deep · 17 km away
  2. 4.0113 km NW of Vallenar, Chile · 2218 days ago · 12 km deep · 21 km away
  3. 4.4117 km W of Copiapó, Chile · 2217 days ago · 35 km deep · 63 km away
  4. 4.788 km NW of Vallenar, Chile · 2217 days ago · 19 km deep · 19 km away
  5. 4.590 km NW of Vallenar, Chile · 2217 days ago · 26 km deep · 19 km away
  6. 4.3103 km NW of Vallenar, Chile · 2216 days ago · 9 km deep · 6 km away
  7. 4.4111 km NW of Vallenar, Chile · 2215 days ago · 10 km deep · 32 km away
  8. 4.6116 km NW of Vallenar, Chile · 2213 days ago · 10 km deep · 10 km away · felt by 1
  9. 4.583 km NW of Vallenar, Chile · 2211 days ago · 20 km deep · 30 km away
  10. 4.176 km W of Vallenar, Chile · 2209 days ago · 38 km deep · 82 km away
  11. 4.3106 km NW of Vallenar, Chile · 2209 days ago · 17 km deep · 4 km away
  12. 4.5101 km NW of Vallenar, Chile · 2208 days ago · 18 km deep · 7 km away
  13. 4.462 km WNW of Vallenar, Chile · 2203 days ago · 38 km deep · 70 km away
  14. 4.955 km W of Copiapó, Chile · 2175 days ago · 32 km deep · 82 km away · felt by 1

Before

  1. 4.2115 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 9 km away
  2. 4.4110 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 8 km away
  3. 4.4124 km NW of Vallenar, Chile · 2219 days ago · 11 km deep · 22 km away
  4. 4.6112 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 9 km away
  5. 4.0124 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 29 km away
  6. 4.699 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 14 km away
  7. 4.4107 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 12 km away
  8. 4.2117 km NW of Vallenar, Chile · 2221 days ago · 11 km deep · 15 km away
  9. 3.9123 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 25 km away
  10. 4.778 km NNW of Vallenar, Chile · 2221 days ago · 29 km deep · 31 km away
  11. 3.9107 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 11 km away
  12. 4.489 km NW of Vallenar, Chile · 2221 days ago · 26 km deep · 17 km away
  13. 4.493 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 13 km away
  14. 4.3108 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 4 km away
  15. 4.8102 km NW of Vallenar, Chile · 2221 days ago · 15 km deep · 5 km away · felt by 1
  16. 4.4101 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 13 km away
  17. 6.594 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 12 km away · felt by 44
  18. 5.099 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 8 km away · felt by 1
  19. 3.9111 km NW of Vallenar, Chile · 2222 days ago · 17 km deep · 9 km away
  20. 3.8116 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 10 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bhn7. Read Fri, Oct 2, 2026, 10:03 AM UTC.