Chile earthquakes

M4.3 earthquake 141 km N of Calama, Chile

A magnitude 4.3 earthquake struck 141 km N of Calama, Chile on Thu, Aug 5, 2021, 12:23 AM GMT-4 (04:23 UTC), 134 km (83 mi) below the surface.

A larger quake followed: M5.2 87 km NE of Calama, Chile. This one was a foreshock.

Calama 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 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-08-05 04:23:19 UTC
Depth
133.9 km (83.2 mi), intermediate-depth
Epicenter
21.182° S, 68.786° 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.

Location uncertainty
About 7.5 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
92°
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: 16 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 5.287 km NE of Calama, Chile · 1882 days ago · 137 km deep · 84 km away · felt by 8
  2. 4.1158 km ESE of Iquique, Chile · 1877 days ago · 108 km deep · 33 km away
  3. 4.5128 km NNE of Calama, Chile · 1874 days ago · 105 km deep · 19 km away · felt by 2
  4. 4.3124 km N of Calama, Chile · 1873 days ago · 124 km deep · 18 km away
  5. 4.9136 km ESE of Iquique, Chile · 1866 days ago · 103 km deep · 42 km away · felt by 9
  6. 4.5149 km SW of Uyuni, Bolivia · 1864 days ago · 206 km deep · 88 km away
  7. 4.1107 km NE of Calama, Chile · 1850 days ago · 137 km deep · 72 km away
  8. 4.193 km ESE of Iquique, Chile · 1849 days ago · 94 km deep · 86 km away · felt by 4
  9. 4.3160 km N of Calama, Chile · 1845 days ago · 104 km deep · 18 km away
  10. 4.4103 km NNE of Calama, Chile · 1835 days ago · 105 km deep · 53 km away
  11. 4.5142 km E of Iquique, Chile · 1833 days ago · 119 km deep · 84 km away · felt by 1
  12. 4.4138 km ESE of Iquique, Chile · 1830 days ago · 109 km deep · 42 km away · felt by 3
  13. 4.2150 km N of Calama, Chile · 1828 days ago · 136 km deep · 13 km away
  14. 4.5157 km N of Calama, Chile · 1828 days ago · 131 km deep · 18 km away · felt by 1
  15. 4.1101 km NNE of Calama, Chile · 1828 days ago · 130 km deep · 63 km away
  16. 4.799 km NNE of Calama, Chile · 1827 days ago · 103 km deep · 70 km away

Before

  1. 4.2103 km ESE of Iquique, Chile · 1891 days ago · 101 km deep · 89 km away · felt by 5
  2. 4.475 km NNE of Calama, Chile · 1899 days ago · 139 km deep · 76 km away · felt by 1
  3. 4.986 km NNE of Calama, Chile · 1899 days ago · 104 km deep · 61 km away · felt by 3
  4. 4.3132 km E of Iquique, Chile · 1902 days ago · 110 km deep · 85 km away · felt by 2
  5. 4.690 km NNE of Calama, Chile · 1904 days ago · 147 km deep · 64 km away
  6. 4.391 km NNE of Calama, Chile · 1906 days ago · 129 km deep · 65 km away · felt by 1
  7. 5.2150 km E of Iquique, Chile · 1912 days ago · 108 km deep · 96 km away · felt by 38
  8. 4.461 km NNE of Calama, Chile · 1912 days ago · 125 km deep · 87 km away
  9. 4.7147 km N of Calama, Chile · 1913 days ago · 118 km deep · 10 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000f2cs. Read Fri, Oct 2, 2026, 7:04 PM UTC.