Chile earthquakes

M4.0 earthquake 113 km NW of Vallenar, Chile

A magnitude 4.0 earthquake struck 113 km NW of Vallenar, Chile on Sat, Sep 5, 2020, 1:37 PM GMT-4 (17:37 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M4.7 88 km NW of Vallenar, 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
4.0 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-05 17:37:53 UTC
Depth
12.2 km (7.6 mi), shallow
Epicenter
27.924° S, 71.651° 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 31°, dip 37°, rake 115°
Nodal plane 2
Strike 181°, dip 57°, rake 73°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.4 km horizontally, 4.4 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
191°, poorly surrounded by stations
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 4.4117 km W of Copiapó, Chile · 2217 days ago · 35 km deep · 74 km away
  2. 4.788 km NW of Vallenar, Chile · 2217 days ago · 19 km deep · 28 km away
  3. 4.590 km NW of Vallenar, Chile · 2217 days ago · 26 km deep · 24 km away
  4. 4.3103 km NW of Vallenar, Chile · 2216 days ago · 9 km deep · 26 km away
  5. 4.4111 km NW of Vallenar, Chile · 2215 days ago · 10 km deep · 12 km away
  6. 4.6116 km NW of Vallenar, Chile · 2213 days ago · 10 km deep · 25 km away · felt by 1
  7. 4.583 km NW of Vallenar, Chile · 2211 days ago · 20 km deep · 30 km away
  8. 4.176 km W of Vallenar, Chile · 2209 days ago · 38 km deep · 73 km away
  9. 4.3106 km NW of Vallenar, Chile · 2208 days ago · 17 km deep · 17 km away
  10. 4.5101 km NW of Vallenar, Chile · 2208 days ago · 18 km deep · 20 km away
  11. 4.462 km WNW of Vallenar, Chile · 2203 days ago · 38 km deep · 66 km away

Before

  1. 4.8107 km NW of Vallenar, Chile · 2218 days ago · 11 km deep · 6 km away
  2. 4.0106 km NW of Vallenar, Chile · 2219 days ago · 17 km deep · 21 km away
  3. 4.2115 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 23 km away
  4. 4.4110 km NW of Vallenar, Chile · 2219 days ago · 10 km deep · 14 km away
  5. 4.4124 km NW of Vallenar, Chile · 2219 days ago · 11 km deep · 13 km away
  6. 4.6112 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 13 km away
  7. 4.0124 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 11 km away
  8. 4.699 km NW of Vallenar, Chile · 2220 days ago · 10 km deep · 15 km away
  9. 4.4107 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 9 km away
  10. 4.2117 km NW of Vallenar, Chile · 2221 days ago · 11 km deep · 10 km away
  11. 3.9123 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 11 km away
  12. 4.778 km NNW of Vallenar, Chile · 2221 days ago · 29 km deep · 45 km away
  13. 3.9107 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 32 km away
  14. 4.489 km NW of Vallenar, Chile · 2221 days ago · 26 km deep · 32 km away
  15. 4.493 km NW of Vallenar, Chile · 2221 days ago · 18 km deep · 26 km away
  16. 4.3108 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 18 km away
  17. 4.8102 km NW of Vallenar, Chile · 2221 days ago · 15 km deep · 20 km away · felt by 1
  18. 4.4101 km NW of Vallenar, Chile · 2221 days ago · 10 km deep · 14 km away
  19. 6.594 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 28 km away · felt by 44
  20. 5.099 km NW of Vallenar, Chile · 2222 days ago · 16 km deep · 26 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bik4. Read Fri, Oct 2, 2026, 9:04 AM UTC.