Chile earthquakes

M4.5 earthquake 119 km NNE of Calama, Chile

A magnitude 4.5 earthquake struck 119 km NNE of Calama, Chile on Wed, Sep 26, 2018, 12:42 PM GMT-3 (15:42 UTC), 115 km (72 mi) below the surface.

A larger quake followed: M4.8 28 km ENE 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
4.5 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-09-26 15:42:54 UTC
Depth
115.2 km (71.6 mi), intermediate-depth
Epicenter
21.501° S, 68.393° 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
Strike-slip
Moment magnitude
4.5 Mwr
Nodal plane 1
Strike 281°, dip 22°, rake 7°
Nodal plane 2
Strike 185°, dip 87°, rake 112°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.8 km horizontally, 5.1 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
44°
Stations used
89

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.6117 km NE of Calama, Chile · 2926 days ago · 115 km deep · 18 km away
  2. 4.2149 km N of Calama, Chile · 2919 days ago · 117 km deep · 70 km away
  3. 4.4153 km N of Calama, Chile · 2910 days ago · 133 km deep · 65 km away
  4. 4.3162 km N of Calama, Chile · 2907 days ago · 113 km deep · 72 km away
  5. 4.2139 km N of Calama, Chile · 2904 days ago · 122 km deep · 70 km away
  6. 4.360 km NNE of Calama, Chile · 2895 days ago · 105 km deep · 59 km away · felt by 1
  7. 4.0150 km N of Calama, Chile · 2893 days ago · 141 km deep · 50 km away
  8. 4.828 km ENE of Calama, Chile · 2891 days ago · 98 km deep · 95 km away · felt by 1
  9. 4.577 km NNE of Calama, Chile · 2885 days ago · 126 km deep · 43 km away
  10. 4.5132 km N of Calama, Chile · 2885 days ago · 115 km deep · 59 km away
  11. 4.5152 km N of Calama, Chile · 2880 days ago · 113 km deep · 74 km away
  12. 4.1141 km N of Calama, Chile · 2879 days ago · 113 km deep · 43 km away
  13. 4.1151 km N of Calama, Chile · 2872 days ago · 144 km deep · 53 km away
  14. 4.533 km NE of Calama, Chile · 2869 days ago · 122 km deep · 87 km away

Before

  1. 4.4169 km NNE of Calama, Chile · 2927 days ago · 115 km deep · 57 km away
  2. 4.5147 km N of Calama, Chile · 2930 days ago · 124 km deep · 65 km away · felt by 2
  3. 4.3157 km NNE of Calama, Chile · 2934 days ago · 136 km deep · 50 km away
  4. 4.275 km N of Calama, Chile · 2936 days ago · 108 km deep · 51 km away
  5. 4.2108 km SW of Uyuni, Bolivia · 2940 days ago · 187 km deep · 92 km away · felt by 2
  6. 4.384 km NNE of Calama, Chile · 2948 days ago · 125 km deep · 35 km away · felt by 1
  7. 4.482 km NNE of Calama, Chile · 2951 days ago · 129 km deep · 38 km away
  8. 4.368 km N of Calama, Chile · 2954 days ago · 117 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000hk75. Read Thu, Oct 1, 2026, 7:24 AM UTC.