Chile earthquakes

M4.3 earthquake 60 km NNE of Calama, Chile

A magnitude 4.3 earthquake struck 60 km NNE of Calama, Chile on Sun, Oct 28, 2018, 2:04 AM GMT-3 (05:04 UTC), 105 km (65 mi) below the surface.

A larger quake followed: M5.0 136 km NNE 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
2018-10-28 05:04:14 UTC
Depth
105.2 km (65.4 mi), intermediate-depth
Epicenter
21.955° S, 68.685° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt 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 4.5 km horizontally, 3.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
44°
Stations used
49

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 6 in the 30 days before it.

After

  1. 4.0150 km N of Calama, Chile · 2896 days ago · 141 km deep · 93 km away
  2. 4.828 km ENE of Calama, Chile · 2893 days ago · 98 km deep · 40 km away · felt by 1
  3. 4.577 km NNE of Calama, Chile · 2888 days ago · 126 km deep · 16 km away
  4. 4.5132 km N of Calama, Chile · 2888 days ago · 115 km deep · 80 km away
  5. 4.1141 km N of Calama, Chile · 2882 days ago · 113 km deep · 84 km away
  6. 4.332 km SSW of Calama, Chile · 2877 days ago · 122 km deep · 94 km away
  7. 4.1151 km N of Calama, Chile · 2875 days ago · 144 km deep · 94 km away
  8. 4.533 km NE of Calama, Chile · 2872 days ago · 122 km deep · 30 km away
  9. 4.443 km ESE of Calama, Chile · 2869 days ago · 135 km deep · 68 km away
  10. 4.990 km NE of Calama, Chile · 2855 days ago · 133 km deep · 34 km away
  11. 3.940 km NE of Calama, Chile · 2854 days ago · 114 km deep · 26 km away
  12. 4.2139 km N of Calama, Chile · 2852 days ago · 124 km deep · 82 km away
  13. 4.288 km NNW of Calama, Chile · 2848 days ago · 106 km deep · 55 km away
  14. 4.692 km NNE of Calama, Chile · 2842 days ago · 143 km deep · 33 km away
  15. 5.0136 km NNE of Calama, Chile · 2841 days ago · 115 km deep · 77 km away · felt by 2
  16. 4.3105 km NNE of Calama, Chile · 2840 days ago · 140 km deep · 45 km away
  17. 4.635 km N of Calama, Chile · 2840 days ago · 100 km deep · 34 km away

Before

  1. 4.521 km E of Calama, Chile · 2898 days ago · 110 km deep · 59 km away
  2. 4.2139 km N of Calama, Chile · 2906 days ago · 122 km deep · 90 km away
  3. 4.744 km ESE of Calama, Chile · 2907 days ago · 106 km deep · 78 km away · felt by 3
  4. 4.4153 km N of Calama, Chile · 2913 days ago · 133 km deep · 99 km away
  5. 4.2149 km N of Calama, Chile · 2922 days ago · 117 km deep · 98 km away
  6. 4.327 km ESE of Calama, Chile · 2923 days ago · 119 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hi58. Read Sat, Oct 3, 2026, 5:20 PM UTC.