Chile earthquakes

M4.3 earthquake 102 km WSW of Illapel, Chile

A magnitude 4.3 earthquake struck 102 km WSW of Illapel, Chile on Mon, Sep 18, 2017, 11:28 AM GMT-3 (14:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 124 km W of Illapel, Chile. This one was a foreshock.

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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 14:28:56 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.843° S, 72.219° 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 4.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.31
Depth from
Operator assigned
Station coverage gap
187°, poorly surrounded by stations
Stations used
33

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 3 in the 30 days before it.

After

  1. 4.396 km W of Illapel, Chile · 3293 days ago · 10 km deep · 6 km away
  2. 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 21 km away
  3. 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 12 km away · felt by 1
  4. 4.5124 km W of Illapel, Chile · 3292 days ago · 10 km deep · 25 km away · felt by 5
  5. 4.0Off the coast of Coquimbo, Chile · 3291 days ago · 10 km deep · 7 km away
  6. 4.351 km NW of Valparaíso, Chile · 3286 days ago · 24 km deep · 96 km away · felt by 45
  7. 4.3103 km W of Illapel, Chile · 3284 days ago · 14 km deep · 7 km away · felt by 21
  8. 4.199 km W of Illapel, Chile · 3281 days ago · 39 km deep · 16 km away · felt by 6
  9. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 79 km away · felt by 103
  10. 4.178 km SW of Ovalle, Chile · 3268 days ago · 21 km deep · 93 km away · felt by 3
  11. 4.7143 km NW of Valparaíso, Chile · 3266 days ago · 10 km deep · 73 km away · felt by 127
  12. 3.763 km NW of Illapel, Chile · 3244 days ago · 35 km deep · 99 km away

Before

  1. 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 9 km away · felt by 115
  2. 4.449 km WSW of Illapel, Chile · 3314 days ago · 22 km deep · 52 km away
  3. 4.099 km WSW of Illapel, Chile · 3315 days ago · 10 km deep · 2 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000apxj. Read Thu, Sep 24, 2026, 8:29 AM UTC.