Chile earthquakes

M4.5 earthquake 147 km N of Calama, Chile

A magnitude 4.5 earthquake struck 147 km N of Calama, Chile on Sun, Sep 23, 2018, 4:06 PM GMT-3 (19:06 UTC), 124 km (77 mi) below the surface.

A larger quake followed: M4.6 117 km NE of Calama, Chile. This one was a foreshock.

Pozo Almonte 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
4.5 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-09-23 19:06:29 UTC
Depth
123.6 km (76.8 mi), intermediate-depth
Epicenter
21.121° S, 68.874° W
Region
Chile
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.7 km horizontally, 6.4 km in depth
Depth from
From location
Station coverage gap
53°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.4169 km NNE of Calama, Chile · 2927 days ago · 115 km deep · 47 km away
  2. 4.5119 km NNE of Calama, Chile · 2927 days ago · 115 km deep · 65 km away
  3. 4.3129 km ESE of Iquique, Chile · 2926 days ago · 123 km deep · 42 km away
  4. 4.6117 km NE of Calama, Chile · 2926 days ago · 115 km deep · 83 km away
  5. 4.2149 km N of Calama, Chile · 2919 days ago · 117 km deep · 5 km away
  6. 4.4153 km N of Calama, Chile · 2910 days ago · 133 km deep · 7 km away
  7. 4.3162 km N of Calama, Chile · 2907 days ago · 113 km deep · 15 km away
  8. 4.2139 km N of Calama, Chile · 2904 days ago · 122 km deep · 14 km away
  9. 4.2121 km ESE of Iquique, Chile · 2900 days ago · 96 km deep · 63 km away
  10. 4.360 km NNE of Calama, Chile · 2895 days ago · 105 km deep · 95 km away · felt by 1
  11. 4.0150 km N of Calama, Chile · 2893 days ago · 141 km deep · 24 km away
  12. 4.4122 km E of Iquique, Chile · 2891 days ago · 106 km deep · 81 km away · felt by 1
  13. 4.577 km NNE of Calama, Chile · 2885 days ago · 126 km deep · 83 km away
  14. 4.5132 km N of Calama, Chile · 2885 days ago · 115 km deep · 16 km away
  15. 4.5152 km N of Calama, Chile · 2880 days ago · 113 km deep · 9 km away
  16. 4.1141 km N of Calama, Chile · 2879 days ago · 113 km deep · 24 km away
  17. 4.1151 km N of Calama, Chile · 2872 days ago · 144 km deep · 19 km away

Before

  1. 4.3157 km NNE of Calama, Chile · 2934 days ago · 136 km deep · 32 km away
  2. 4.275 km N of Calama, Chile · 2936 days ago · 108 km deep · 75 km away
  3. 4.384 km NNE of Calama, Chile · 2948 days ago · 125 km deep · 79 km away · felt by 1
  4. 4.3113 km ESE of Iquique, Chile · 2950 days ago · 114 km deep · 59 km away
  5. 4.482 km NNE of Calama, Chile · 2951 days ago · 129 km deep · 89 km away
  6. 4.368 km N of Calama, Chile · 2954 days ago · 117 km deep · 80 km away
  7. 4.3134 km ESE of Iquique, Chile · 2955 days ago · 102 km deep · 46 km away
  8. 4.5152 km N of Calama, Chile · 2957 days ago · 125 km deep · 20 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000hj2n. Read Thu, Oct 1, 2026, 7:24 AM UTC.