Chile earthquakes

M4.3 earthquake 41 km W of Ovalle, Chile

A magnitude 4.3 earthquake struck 41 km W of Ovalle, Chile on Fri, Mar 30, 2018, 4:23 AM GMT-3 (07:23 UTC), 30 km (18 mi) below the surface.

A larger quake followed: M6.2 56 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
4.3 (mwr), light
Local time
UTC
2018-03-30 07:23:55 UTC
Depth
29.5 km (18.4 mi), shallow
Epicenter
30.607° S, 71.627° 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 IV, light 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
Oblique reverse
Moment magnitude
4.3 Mwr
Nodal plane 1
Strike 21°, dip 32°, rake 131°
Nodal plane 2
Strike 155°, dip 66°, rake 68°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.4 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
86°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.776 km WSW of Coquimbo, Chile · 3103 days ago · 10 km deep · 65 km away · felt by 1
  2. 4.139 km NW of Ovalle, Chile · 3101 days ago · 32 km deep · 37 km away
  3. 4.183 km W of Ovalle, Chile · 3099 days ago · 24 km deep · 42 km away
  4. 4.083 km WSW of Ovalle, Chile · 3098 days ago · 10 km deep · 46 km away
  5. 6.256 km SW of Ovalle, Chile · 3093 days ago · 66 km deep · 48 km away · felt by 389
  6. 4.840 km WNW of Coquimbo, Chile · 3087 days ago · 36 km deep · 88 km away · felt by 3
  7. 3.430 km WNW of Coquimbo, Chile · 3087 days ago · 32 km deep · 82 km away · felt by 4
  8. 4.711 km WSW of Ovalle, Chile · 3078 days ago · 56 km deep · 31 km away · felt by 6
  9. 4.817 km NNW of Coquimbo, Chile · 3069 days ago · 38 km deep · 90 km away · felt by 13
  10. 4.3101 km W of Ovalle, Chile · 3061 days ago · 10 km deep · 61 km away
  11. 4.251 km W of Ovalle, Chile · 3054 days ago · 33 km deep · 11 km away
  12. 4.340 km SW of Coquimbo, Chile · 3052 days ago · 21 km deep · 40 km away
  13. 4.641 km WNW of Illapel, Chile · 3046 days ago · 41 km deep · 92 km away · felt by 1

Before

  1. 4.426 km WSW of Ovalle, Chile · 3127 days ago · 47 km deep · 22 km away · felt by 2
  2. 4.732 km S of Ovalle, Chile · 3130 days ago · 60 km deep · 48 km away
  3. 4.357 km SSW of Ovalle, Chile · 3130 days ago · 60 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000dbbe. Read Mon, Sep 28, 2026, 5:50 PM UTC.