Chile earthquakes

M4.4 earthquake 129 km N of Calama, Chile

A magnitude 4.4 earthquake struck 129 km N of Calama, Chile on Thu, Aug 23, 2018, 2:42 AM GMT-3 (05:42 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M4.6 117 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-08-23 05:42:26 UTC
Depth
127.4 km (79.2 mi), intermediate-depth
Epicenter
21.286° S, 68.868° 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 4.3 km horizontally, 7.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
71°
Stations used
51

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.2137 km N of Calama, Chile · 2960 days ago · 112 km deep · 13 km away
  2. 4.5152 km N of Calama, Chile · 2957 days ago · 125 km deep · 28 km away
  3. 4.3134 km ESE of Iquique, Chile · 2955 days ago · 102 km deep · 64 km away
  4. 4.368 km N of Calama, Chile · 2954 days ago · 117 km deep · 62 km away
  5. 4.482 km NNE of Calama, Chile · 2951 days ago · 129 km deep · 72 km away
  6. 4.3113 km ESE of Iquique, Chile · 2950 days ago · 114 km deep · 75 km away
  7. 4.384 km NNE of Calama, Chile · 2948 days ago · 125 km deep · 62 km away · felt by 1
  8. 4.275 km N of Calama, Chile · 2936 days ago · 108 km deep · 56 km away
  9. 4.3157 km NNE of Calama, Chile · 2934 days ago · 136 km deep · 39 km away
  10. 4.5147 km N of Calama, Chile · 2930 days ago · 124 km deep · 18 km away · felt by 2
  11. 4.4169 km NNE of Calama, Chile · 2927 days ago · 115 km deep · 55 km away
  12. 4.5119 km NNE of Calama, Chile · 2927 days ago · 115 km deep · 55 km away
  13. 4.3129 km ESE of Iquique, Chile · 2926 days ago · 123 km deep · 59 km away
  14. 4.6117 km NE of Calama, Chile · 2926 days ago · 115 km deep · 72 km away
  15. 4.2149 km N of Calama, Chile · 2919 days ago · 117 km deep · 21 km away
  16. 4.4153 km N of Calama, Chile · 2910 days ago · 133 km deep · 24 km away
  17. 4.3162 km N of Calama, Chile · 2907 days ago · 113 km deep · 33 km away
  18. 4.2139 km N of Calama, Chile · 2904 days ago · 122 km deep · 16 km away

Before

  1. 4.486 km NE of Calama, Chile · 2974 days ago · 111 km deep · 78 km away
  2. 4.3145 km NNE of Calama, Chile · 2984 days ago · 135 km deep · 28 km away
  3. 4.496 km NE of Calama, Chile · 2986 days ago · 112 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000gfwh. Read Thu, Oct 1, 2026, 6:49 AM UTC.