Chile earthquakes

M4.3 earthquake 82 km NNE of Calama, Chile

A magnitude 4.3 earthquake struck 82 km NNE of Calama, Chile on Thu, Apr 18, 2013, 7:38 PM GMT-3 (22:38 UTC), 126 km (78 mi) below the surface.

A larger quake followed: M5.2 163 km N 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 (ML, local (Richter)), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2013-04-18 22:38:42 UTC
Depth
126.0 km (78.3 mi), intermediate-depth
Epicenter
21.792° S, 68.569° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for us2013pda4. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
112°
Stations used
18

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 1 in the 30 days before it.

After

  1. 4.399 km NNE of Calama, Chile · 4907 days ago · 143 km deep · 18 km away
  2. 4.5137 km NNE of Calama, Chile · 4905 days ago · 130 km deep · 59 km away
  3. 4.264 km NNE of Calama, Chile · 4903 days ago · 129 km deep · 19 km away
  4. 4.140 km ESE of Calama, Chile · 4902 days ago · 130 km deep · 88 km away
  5. 4.1129 km N of Calama, Chile · 4899 days ago · 110 km deep · 70 km away
  6. 4.0148 km SE of Iquique, Chile · 4897 days ago · 112 km deep · 94 km away
  7. 5.2163 km N of Calama, Chile · 4891 days ago · 133 km deep · 89 km away
  8. 4.2119 km NE of Calama, Chile · 4886 days ago · 107 km deep · 61 km away
  9. 4.0116 km NNE of Calama, Chile · 4884 days ago · 145 km deep · 35 km away
  10. 4.3104 km NNE of San Pedro de Atacama, Chile · 4882 days ago · 202 km deep · 90 km away
  11. 4.240 km NNE of Calama, Chile · 4876 days ago · 120 km deep · 42 km away
  12. 5.1130 km NE of Calama, Chile · 4864 days ago · 113 km deep · 51 km away
  13. 4.4129 km NNE of Calama, Chile · 4861 days ago · 133 km deep · 53 km away
  14. 5.176 km NE of Calama, Chile · 4861 days ago · 133 km deep · 13 km away

Before

  1. 4.659 km ENE of Calama, Chile · 4939 days ago · 115 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2013pda4. Read Fri, Oct 2, 2026, 11:31 AM UTC.