Chile earthquakes

M4.0 earthquake 55 km WSW of Ovalle, Chile

A magnitude 4.0 earthquake struck 55 km WSW of Ovalle, Chile on Tue, Feb 21, 2017, 10:01 AM GMT-3 (13:01 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.4 55 km SW of Ovalle, Chile. This one was a foreshock.

Ovalle 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 (mwr), light
Local time
UTC
2017-02-21 13:01:13 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
30.851° S, 71.702° 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
4.0 Mwr
Nodal plane 1
Strike 184°, dip 89°, rake 61°
Nodal plane 2
Strike 93°, dip 29°, rake 179°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
81°
Stations used
41

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 7 in the 30 days before it.

After

  1. 3.754 km WNW of Ovalle, Chile · 3495 days ago · 28 km deep · 55 km away
  2. 5.284 km W of Ovalle, Chile · 3490 days ago · 14 km deep · 47 km away · felt by 2
  3. 5.126 km NW of Ovalle, Chile · 3487 days ago · 46 km deep · 55 km away · felt by 24
  4. 3.766 km NW of Illapel, Chile · 3479 days ago · 41 km deep · 35 km away
  5. 4.168 km SW of Ovalle, Chile · 3477 days ago · 36 km deep · 29 km away
  6. 5.233 km WSW of Ovalle, Chile · 3469 days ago · 42 km deep · 22 km away · felt by 27
  7. 4.233 km WSW of Ovalle, Chile · 3469 days ago · 42 km deep · 22 km away
  8. 4.227 km WSW of Ovalle, Chile · 3467 days ago · 49 km deep · 29 km away
  9. 4.76 km NNW of Monte Patria, Chile · 3466 days ago · 82 km deep · 71 km away
  10. 4.362 km WSW of Coquimbo, Chile · 3457 days ago · 28 km deep · 87 km away · felt by 2
  11. 5.455 km SW of Ovalle, Chile · 3456 days ago · 38 km deep · 23 km away · felt by 14
  12. 4.166 km W of Illapel, Chile · 3455 days ago · 58 km deep · 100 km away

Before

  1. 5.477 km WSW of Coquimbo, Chile · 3512 days ago · 10 km deep · 85 km away · felt by 2
  2. 4.29 km S of Coquimbo, Chile · 3513 days ago · 50 km deep · 96 km away · felt by 9
  3. 4.018 km SSE of Coquimbo, Chile · 3527 days ago · 84 km deep · 90 km away
  4. 4.221 km NW of Ovalle, Chile · 3528 days ago · 73 km deep · 52 km away
  5. 4.753 km SSW of Ovalle, Chile · 3532 days ago · 57 km deep · 27 km away · felt by 1
  6. 4.280 km W of Ovalle, Chile · 3533 days ago · 10 km deep · 42 km away
  7. 4.29 km S of Ovalle, Chile · 3536 days ago · 54 km deep · 52 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20008l3u. Read Tue, Sep 29, 2026, 11:54 AM UTC.