Chile earthquakes

M4.2 earthquake 48 km NNE of Calama, Chile

A magnitude 4.2 earthquake struck 48 km NNE of Calama, Chile on Fri, Sep 23, 2016, 3:15 PM GMT-3 (18:15 UTC), 116 km (72 mi) below the surface.

A larger quake followed: M5.1 117 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
4.2 (mb), light
Local time
UTC
2016-09-23 18:15:11 UTC
Depth
116.3 km (72.3 mi), intermediate-depth
Epicenter
22.042° S, 68.770° 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 5.9 km horizontally, 5.8 km in depth
Magnitude uncertainty
±0.30
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 5.1117 km NNE of Calama, Chile · 3657 days ago · 104 km deep · 71 km away · felt by 2
  2. 4.158 km NNE of Calama, Chile · 3655 days ago · 106 km deep · 12 km away
  3. 4.0127 km N of Calama, Chile · 3650 days ago · 130 km deep · 83 km away
  4. 4.278 km NE of Calama, Chile · 3642 days ago · 117 km deep · 36 km away
  5. 4.2116 km NNE of Calama, Chile · 3639 days ago · 133 km deep · 70 km away
  6. 4.781 km NE of Calama, Chile · 3638 days ago · 119 km deep · 38 km away
  7. 4.671 km ENE of Calama, Chile · 3625 days ago · 118 km deep · 51 km away
  8. 5.145 km E of Calama, Chile · 3621 days ago · 92 km deep · 49 km away
  9. 4.955 km NNW of San Pedro de Atacama, Chile · 3619 days ago · 117 km deep · 60 km away
  10. 4.0138 km N of Calama, Chile · 3607 days ago · 104 km deep · 94 km away
  11. 4.166 km NNE of Calama, Chile · 3605 days ago · 124 km deep · 20 km away
  12. 4.369 km NE of Calama, Chile · 3601 days ago · 156 km deep · 26 km away
  13. 4.128 km NNE of Calama, Chile · 3599 days ago · 118 km deep · 21 km away

Before

  1. 4.178 km NE of Calama, Chile · 3664 days ago · 136 km deep · 36 km away
  2. 5.079 km NNE of Calama, Chile · 3674 days ago · 121 km deep · 31 km away · felt by 1
  3. 4.2116 km NE of Calama, Chile · 3676 days ago · 133 km deep · 72 km away
  4. 4.167 km NE of Calama, Chile · 3678 days ago · 136 km deep · 25 km away
  5. 4.243 km ENE of Calama, Chile · 3684 days ago · 117 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006s2q. Read Wed, Sep 30, 2026, 5:46 AM UTC.