Chile earthquakes

M4.0 earthquake Tarapaca, Chile

A magnitude 4.0 earthquake struck in Tarapaca, Chile on Thu, Oct 12, 2017, 11:23 PM GMT-3 (02:23 UTC), 94 km (59 mi) below the surface.

A larger quake followed: M5.0 113 km ENE of Iquique, 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
2017-10-13 02:23:30 UTC
Depth
94.2 km (58.5 mi), intermediate-depth
Epicenter
20.314° S, 69.135° 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 4.6 km horizontally, 5.3 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
54°
Stations used
37

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 4 in the 30 days before it.

After

  1. 4.4155 km N of Calama, Chile · 3273 days ago · 120 km deep · 89 km away
  2. 4.070 km SSE of Iquique, Chile · 3266 days ago · 61 km deep · 87 km away
  3. 4.2116 km ENE of Iquique, Chile · 3256 days ago · 116 km deep · 62 km away
  4. 4.3Tarapaca, Chile · 3254 days ago · 105 km deep · 71 km away
  5. 4.1113 km E of Iquique, Chile · 3252 days ago · 102 km deep · 32 km away
  6. 4.0155 km N of Calama, Chile · 3245 days ago · 134 km deep · 99 km away
  7. 4.196 km E of Iquique, Chile · 3243 days ago · 95 km deep · 15 km away
  8. 5.0113 km ENE of Iquique, Chile · 3239 days ago · 97 km deep · 55 km away · felt by 1
  9. 4.7125 km ESE of Iquique, Chile · 3238 days ago · 110 km deep · 52 km away
  10. 4.3125 km E of Iquique, Chile · 3236 days ago · 109 km deep · 20 km away
  11. 4.3130 km ESE of Iquique, Chile · 3235 days ago · 105 km deep · 28 km away

Before

  1. 4.3116 km ENE of Iquique, Chile · 3275 days ago · 111 km deep · 67 km away
  2. 4.2128 km E of Iquique, Chile · 3279 days ago · 102 km deep · 24 km away
  3. 3.8124 km ESE of Iquique, Chile · 3298 days ago · 108 km deep · 34 km away
  4. 4.792 km E of Iquique, Chile · 3300 days ago · 99 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ar7s. Read Wed, Sep 30, 2026, 9:26 PM UTC.