Chile earthquakes

M4.4 earthquake 107 km NNE of Calama, Chile

A magnitude 4.4 earthquake struck 107 km NNE of Calama, Chile on Sat, Aug 12, 2017, 3:29 PM GMT-4 (19:29 UTC), 117 km (73 mi) below the surface.

A larger quake followed: M5.5 42 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
4.4 (mb), light
Local time
UTC
2017-08-12 19:29:08 UTC
Depth
116.8 km (72.6 mi), intermediate-depth
Epicenter
21.517° S, 68.665° 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 5.4 km horizontally, 6.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
45°
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: 11 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.0161 km NNE of Calama, Chile · 3336 days ago · 136 km deep · 55 km away
  2. 4.2100 km NNE of Calama, Chile · 3334 days ago · 127 km deep · 26 km away
  3. 4.1138 km NNE of Calama, Chile · 3329 days ago · 122 km deep · 32 km away
  4. 4.5132 km N of Calama, Chile · 3320 days ago · 121 km deep · 32 km away
  5. 4.338 km NE of Calama, Chile · 3316 days ago · 131 km deep · 80 km away
  6. 4.1153 km N of Calama, Chile · 3314 days ago · 114 km deep · 50 km away
  7. 4.4130 km ESE of Iquique, Chile · 3311 days ago · 111 km deep · 86 km away
  8. 4.7131 km NNE of Calama, Chile · 3291 days ago · 116 km deep · 33 km away
  9. 4.433 km NE of Calama, Chile · 3285 days ago · 107 km deep · 80 km away
  10. 5.542 km ENE of Calama, Chile · 3283 days ago · 110 km deep · 97 km away · felt by 5
  11. 4.7139 km N of Calama, Chile · 3279 days ago · 123 km deep · 36 km away

Before

  1. 4.0123 km ESE of Iquique, Chile · 3338 days ago · 93 km deep · 95 km away
  2. 4.3137 km NNE of Calama, Chile · 3342 days ago · 128 km deep · 30 km away
  3. 4.0130 km N of Calama, Chile · 3342 days ago · 123 km deep · 28 km away
  4. 4.1116 km NNE of Calama, Chile · 3344 days ago · 144 km deep · 17 km away · felt by 1
  5. 4.280 km NNE of Calama, Chile · 3347 days ago · 120 km deep · 41 km away
  6. 4.212 km N of Calama, Chile · 3349 days ago · 115 km deep · 97 km away
  7. 4.676 km NE of Calama, Chile · 3356 days ago · 114 km deep · 47 km away
  8. 5.3142 km NE of Tocopilla, Chile · 3358 days ago · 39 km deep · 70 km away · felt by 6
  9. 3.9121 km NNE of Calama, Chile · 3358 days ago · 146 km deep · 15 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000a7mr. Read Wed, Sep 30, 2026, 11:46 PM UTC.