Chile earthquakes

M4.0 earthquake 152 km N of Calama, Chile

A magnitude 4.0 earthquake struck 152 km N of Calama, Chile on Thu, Apr 28, 2016, 2:00 PM GMT-3 (17:00 UTC), 113 km (70 mi) below the surface.

A larger quake followed: M4.7 144 km NNE of Calama, Chile. This one was a foreshock.

Pozo Almonte 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
4.0 (mb), light
Local time
UTC
2016-04-28 17:00:34 UTC
Depth
112.7 km (70.0 mi), intermediate-depth
Epicenter
21.081° S, 68.963° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.8 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
81°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.1122 km N of Calama, Chile · 3798 days ago · 111 km deep · 37 km away
  2. 4.2137 km ESE of Iquique, Chile · 3792 days ago · 97 km deep · 54 km away
  3. 4.3105 km N of Calama, Chile · 3787 days ago · 120 km deep · 54 km away
  4. 4.7144 km NNE of Calama, Chile · 3783 days ago · 133 km deep · 52 km away
  5. 4.178 km ESE of Iquique, Chile · 3776 days ago · 86 km deep · 84 km away
  6. 4.0146 km N of Calama, Chile · 3771 days ago · 107 km deep · 6 km away
  7. 4.0155 km ESE of Iquique, Chile · 3765 days ago · 105 km deep · 26 km away
  8. 4.6148 km N of Calama, Chile · 3759 days ago · 114 km deep · 4 km away
  9. 4.0162 km ESE of Iquique, Chile · 3754 days ago · 114 km deep · 34 km away
  10. 4.2125 km N of Calama, Chile · 3754 days ago · 113 km deep · 35 km away
  11. 4.4132 km ESE of Iquique, Chile · 3751 days ago · 102 km deep · 68 km away
  12. 4.2132 km NNE of Calama, Chile · 3747 days ago · 111 km deep · 71 km away

Before

  1. 4.389 km NNE of Calama, Chile · 3807 days ago · 122 km deep · 84 km away
  2. 4.9155 km N of Calama, Chile · 3808 days ago · 133 km deep · 27 km away
  3. 4.4148 km ESE of Iquique, Chile · 3809 days ago · 112 km deep · 28 km away
  4. 4.3149 km N of Calama, Chile · 3818 days ago · 122 km deep · 34 km away
  5. 4.6147 km NNE of Calama, Chile · 3818 days ago · 141 km deep · 35 km away
  6. 4.0120 km ESE of Iquique, Chile · 3822 days ago · 109 km deep · 71 km away
  7. 4.0123 km ESE of Iquique, Chile · 3823 days ago · 111 km deep · 38 km away
  8. 4.0112 km NNE of Calama, Chile · 3823 days ago · 127 km deep · 83 km away
  9. 4.7141 km E of Iquique, Chile · 3828 days ago · 103 km deep · 74 km away
  10. 4.1126 km E of Iquique, Chile · 3832 days ago · 115 km deep · 91 km away
  11. 4.3139 km N of Calama, Chile · 3832 days ago · 117 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10005c7s. Read Wed, Sep 30, 2026, 1:51 AM UTC.