Chile earthquakes

M4.7 earthquake 76 km WSW of Coquimbo, Chile

A magnitude 4.7 earthquake struck 76 km WSW of Coquimbo, Chile on Sat, Mar 31, 2018, 10:14 PM GMT-3 (01:14 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 40 km WNW 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
4.7 (mwr), light
Local time
UTC
2018-04-01 01:14:42 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
30.180° S, 72.086° W
Region
Chile
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.

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

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
4.7 Mwr
Nodal plane 1
Strike 12°, dip 32°, rake 101°
Nodal plane 2
Strike 179°, dip 59°, rake 83°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.4 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
56°
Stations used
167

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.139 km NW of Ovalle, Chile · 3100 days ago · 32 km deep · 64 km away
  2. 4.183 km W of Ovalle, Chile · 3097 days ago · 24 km deep · 44 km away
  3. 4.083 km WSW of Ovalle, Chile · 3097 days ago · 10 km deep · 73 km away
  4. 4.840 km WNW of Coquimbo, Chile · 3086 days ago · 36 km deep · 52 km away · felt by 3
  5. 3.430 km WNW of Coquimbo, Chile · 3086 days ago · 32 km deep · 55 km away · felt by 4
  6. 4.711 km WSW of Ovalle, Chile · 3076 days ago · 56 km deep · 91 km away · felt by 6
  7. 4.817 km NNW of Coquimbo, Chile · 3068 days ago · 38 km deep · 76 km away · felt by 13
  8. 4.3101 km W of Ovalle, Chile · 3059 days ago · 10 km deep · 38 km away
  9. 4.251 km W of Ovalle, Chile · 3052 days ago · 33 km deep · 60 km away
  10. 4.340 km SW of Coquimbo, Chile · 3051 days ago · 21 km deep · 48 km away

Before

  1. 4.341 km W of Ovalle, Chile · 3103 days ago · 30 km deep · 65 km away · felt by 1
  2. 4.426 km WSW of Ovalle, Chile · 3125 days ago · 47 km deep · 87 km away · felt by 2

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dc02. Read Sun, Sep 27, 2026, 8:00 AM UTC.