Chile earthquakes

M3.9 earthquake 49 km W of Coquimbo, Chile

A magnitude 3.9 earthquake struck 49 km W of Coquimbo, Chile on Sun, Jan 1, 2017, 7:20 AM GMT-3 (10:20 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M5.4 77 km WSW 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
3.9 (mwr), minor
Local time
UTC
2017-01-01 10:20:10 UTC
Depth
17.8 km (11.0 mi), shallow
Epicenter
29.992° S, 71.847° 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
Strike-slip
Moment magnitude
3.9 Mwr
Nodal plane 1
Strike 28°, dip 58°, rake 166°
Nodal plane 2
Strike 126°, dip 79°, rake 32°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.4 km horizontally, 6.5 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
93°
Stations used
32

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 10 in the 30 days before it.

After

  1. 4.391 km WSW of Coquimbo, Chile · 3556 days ago · 25 km deep · 49 km away
  2. 4.941 km SSW of Coquimbo, Chile · 3555 days ago · 45 km deep · 44 km away · felt by 5
  3. 4.884 km WSW of Coquimbo, Chile · 3552 days ago · 10 km deep · 37 km away · felt by 3
  4. 4.332 km NNW of La Serena, Chile · 3551 days ago · 44 km deep · 55 km away · felt by 1
  5. 4.443 km NW of Ovalle, Chile · 3547 days ago · 33 km deep · 50 km away · felt by 2
  6. 4.016 km SSW of Ovalle, Chile · 3546 days ago · 50 km deep · 98 km away
  7. 4.124 km WSW of Ovalle, Chile · 3538 days ago · 49 km deep · 84 km away · felt by 1
  8. 4.29 km S of Ovalle, Chile · 3536 days ago · 54 km deep · 99 km away · felt by 2
  9. 4.280 km W of Ovalle, Chile · 3533 days ago · 10 km deep · 70 km away
  10. 4.221 km NW of Ovalle, Chile · 3529 days ago · 73 km deep · 71 km away
  11. 4.018 km SSE of Coquimbo, Chile · 3528 days ago · 84 km deep · 54 km away
  12. 4.480 km WNW of Coquimbo, Chile · 3522 days ago · 11 km deep · 46 km away · felt by 1
  13. 4.29 km S of Coquimbo, Chile · 3513 days ago · 50 km deep · 48 km away · felt by 9
  14. 5.477 km WSW of Coquimbo, Chile · 3512 days ago · 10 km deep · 32 km away · felt by 2
  15. 4.090 km W of Coquimbo, Chile · 3508 days ago · 52 km deep · 41 km away
  16. 4.055 km WSW of Ovalle, Chile · 3507 days ago · 35 km deep · 97 km away

Before

  1. 4.342 km W of Coquimbo, Chile · 3558 days ago · 40 km deep · 6 km away
  2. 4.130 km NNW of La Serena, Chile · 3559 days ago · 42 km deep · 64 km away
  3. 4.150 km NW of Coquimbo, Chile · 3567 days ago · 35 km deep · 41 km away
  4. 4.932 km SW of Ovalle, Chile · 3571 days ago · 35 km deep · 93 km away · felt by 2
  5. 3.845 km W of Coquimbo, Chile · 3572 days ago · 22 km deep · 10 km away
  6. 4.140 km SSW of Coquimbo, Chile · 3573 days ago · 34 km deep · 40 km away
  7. 4.053 km WNW of Ovalle, Chile · 3574 days ago · 35 km deep · 46 km away
  8. 5.244 km WNW of Ovalle, Chile · 3574 days ago · 36 km deep · 53 km away · felt by 5
  9. 4.144 km WNW of Ovalle, Chile · 3577 days ago · 31 km deep · 54 km away
  10. 3.930 km NW of La Serena, Chile · 3578 days ago · 43 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10007p2u. Read Tue, Sep 29, 2026, 6:15 PM UTC.