Chile earthquakes

M4.3 earthquake 96 km W of Illapel, Chile

A magnitude 4.3 earthquake struck 96 km W of Illapel, Chile on Mon, Sep 18, 2017, 12:35 PM GMT-3 (15:35 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.7 143 km NW of Valparaíso, Chile. This one was a foreshock.

Los Vilos 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 (mb), light
Local time
UTC
2017-09-18 15:35:20 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.806° S, 72.166° 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.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.1 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
141°
Stations used
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 24 km away
  2. 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 17 km away · felt by 1
  3. 4.5124 km W of Illapel, Chile · 3292 days ago · 10 km deep · 29 km away · felt by 5
  4. 4.0Off the coast of Coquimbo, Chile · 3292 days ago · 10 km deep · 6 km away
  5. 4.351 km NW of Valparaíso, Chile · 3286 days ago · 24 km deep · 99 km away · felt by 45
  6. 4.3103 km W of Illapel, Chile · 3285 days ago · 14 km deep · 8 km away · felt by 21
  7. 4.199 km W of Illapel, Chile · 3282 days ago · 39 km deep · 12 km away · felt by 6
  8. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 81 km away · felt by 103
  9. 4.178 km SW of Ovalle, Chile · 3269 days ago · 21 km deep · 87 km away · felt by 3
  10. 4.7143 km NW of Valparaíso, Chile · 3266 days ago · 10 km deep · 80 km away · felt by 127
  11. 3.763 km NW of Illapel, Chile · 3244 days ago · 35 km deep · 92 km away

Before

  1. 4.3102 km WSW of Illapel, Chile · 3293 days ago · 10 km deep · 6 km away
  2. 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 4 km away · felt by 115
  3. 4.449 km WSW of Illapel, Chile · 3315 days ago · 22 km deep · 47 km away
  4. 4.099 km WSW of Illapel, Chile · 3315 days ago · 10 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000apyu. Read Thu, Sep 24, 2026, 11:11 AM UTC.