Chile earthquakes

M4.1 earthquake 82 km NNE of Calama, Chile

A magnitude 4.1 earthquake struck 82 km NNE of Calama, Chile on Sun, Feb 18, 2018, 1:07 PM GMT-3 (16:07 UTC), 124 km (77 mi) below the surface.

A larger quake followed: M5.0 114 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-02-18 16:07:41 UTC
Depth
123.6 km (76.8 mi), intermediate-depth
Epicenter
21.787° S, 68.564° 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 5.6 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
72°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.1125 km NNE of Calama, Chile · 3141 days ago · 134 km deep · 45 km away
  2. 4.229 km ENE of Calama, Chile · 3130 days ago · 118 km deep · 64 km away
  3. 4.340 km NE of Calama, Chile · 3126 days ago · 123 km deep · 46 km away
  4. 4.6138 km SW of Uyuni, Bolivia · 3121 days ago · 169 km deep · 96 km away
  5. 4.5118 km N of Calama, Chile · 3115 days ago · 117 km deep · 45 km away
  6. 4.551 km E of Calama, Chile · 3112 days ago · 116 km deep · 75 km away
  7. 4.18 km NNE of Calama, Chile · 3098 days ago · 109 km deep · 75 km away
  8. 4.445 km NNE of San Pedro de Atacama, Chile · 3096 days ago · 140 km deep · 94 km away
  9. 4.3153 km N of Calama, Chile · 3095 days ago · 155 km deep · 84 km away
  10. 4.4106 km NNE of Calama, Chile · 3092 days ago · 135 km deep · 24 km away
  11. 5.0114 km N of Calama, Chile · 3089 days ago · 104 km deep · 50 km away · felt by 2

Before

  1. 4.5152 km N of Calama, Chile · 3163 days ago · 146 km deep · 80 km away
  2. 4.422 km NNE of Calama, Chile · 3170 days ago · 117 km deep · 61 km away
  3. 4.361 km NNE of Calama, Chile · 3171 days ago · 120 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d48j. Read Thu, Oct 1, 2026, 3:24 AM UTC.