Chile earthquakes

M3.8 earthquake 45 km W of Coquimbo, Chile

A magnitude 3.8 earthquake struck 45 km W of Coquimbo, Chile on Mon, Dec 19, 2016, 2:19 AM GMT-3 (05:19 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M4.1 50 km NW of Coquimbo, Chile. This one was a foreshock.

Coquimbo 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
3.8 (mwr), minor
Local time
UTC
2016-12-19 05:19:33 UTC
Depth
22.1 km (13.8 mi), shallow
Epicenter
29.912° S, 71.810° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 175°, dip 88°, rake 113°
Nodal plane 2
Strike 271°, dip 23°, rake 6°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 6.9 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
185°, poorly surrounded by stations
Stations used
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.150 km NW of Coquimbo, Chile · 3560 days ago · 35 km deep · 31 km away
  2. 4.130 km NNW of La Serena, Chile · 3552 days ago · 42 km deep · 56 km away
  3. 4.342 km W of Coquimbo, Chile · 3552 days ago · 40 km deep · 10 km away
  4. 3.949 km W of Coquimbo, Chile · 3552 days ago · 18 km deep · 10 km away
  5. 4.391 km WSW of Coquimbo, Chile · 3549 days ago · 25 km deep · 58 km away
  6. 4.941 km SSW of Coquimbo, Chile · 3549 days ago · 45 km deep · 49 km away · felt by 5
  7. 4.884 km WSW of Coquimbo, Chile · 3545 days ago · 10 km deep · 45 km away · felt by 3
  8. 4.332 km NNW of La Serena, Chile · 3544 days ago · 44 km deep · 46 km away · felt by 1
  9. 4.443 km NW of Ovalle, Chile · 3540 days ago · 33 km deep · 57 km away · felt by 2
  10. 4.124 km WSW of Ovalle, Chile · 3532 days ago · 49 km deep · 91 km away · felt by 1
  11. 4.280 km W of Ovalle, Chile · 3527 days ago · 10 km deep · 80 km away
  12. 4.221 km NW of Ovalle, Chile · 3522 days ago · 73 km deep · 76 km away
  13. 4.018 km SSE of Coquimbo, Chile · 3521 days ago · 84 km deep · 54 km away
  14. 4.480 km WNW of Coquimbo, Chile · 3515 days ago · 11 km deep · 41 km away · felt by 1
  15. 4.29 km S of Coquimbo, Chile · 3506 days ago · 50 km deep · 46 km away · felt by 9
  16. 5.477 km WSW of Coquimbo, Chile · 3506 days ago · 10 km deep · 41 km away · felt by 2

Before

  1. 4.140 km SSW of Coquimbo, Chile · 3567 days ago · 34 km deep · 45 km away
  2. 4.053 km WNW of Ovalle, Chile · 3567 days ago · 35 km deep · 54 km away
  3. 5.244 km WNW of Ovalle, Chile · 3567 days ago · 36 km deep · 60 km away · felt by 5
  4. 4.144 km WNW of Ovalle, Chile · 3570 days ago · 31 km deep · 61 km away
  5. 3.930 km NW of La Serena, Chile · 3572 days ago · 43 km deep · 42 km away
  6. 4.5100 km WSW of Coquimbo, Chile · 3587 days ago · 10 km deep · 65 km away · felt by 1
  7. 4.395 km WSW of Coquimbo, Chile · 3587 days ago · 11 km deep · 61 km away
  8. 4.2Near the coast of Coquimbo, Chile · 3591 days ago · 48 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us200082hl. Read Wed, Sep 23, 2026, 5:39 AM UTC.