Chile earthquakes

M4.3 earthquake 103 km W of Illapel, Chile

A magnitude 4.3 earthquake struck 103 km W of Illapel, Chile on Tue, Sep 26, 2017, 7:06 PM GMT-3 (22:06 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M4.7 143 km NW of Valparaíso, 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
2017-09-26 22:06:39 UTC
Depth
13.6 km (8.4 mi), shallow
Epicenter
31.779° S, 72.244° W
Region
Chile
Felt reports
21
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

21 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

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

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.5 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
125°
Stations used
49

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.199 km W of Illapel, Chile · 3281 days ago · 39 km deep · 9 km away · felt by 6
  2. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 86 km away · felt by 103
  3. 4.178 km SW of Ovalle, Chile · 3268 days ago · 21 km deep · 88 km away · felt by 3
  4. 4.7143 km NW of Valparaíso, Chile · 3266 days ago · 10 km deep · 76 km away · felt by 127
  5. 3.763 km NW of Illapel, Chile · 3244 days ago · 35 km deep · 95 km away

Before

  1. 4.0Off the coast of Coquimbo, Chile · 3291 days ago · 10 km deep · 2 km away
  2. 4.5124 km W of Illapel, Chile · 3292 days ago · 10 km deep · 22 km away · felt by 5
  3. 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 11 km away · felt by 1
  4. 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 16 km away
  5. 4.396 km W of Illapel, Chile · 3293 days ago · 10 km deep · 8 km away
  6. 4.3102 km WSW of Illapel, Chile · 3293 days ago · 10 km deep · 7 km away
  7. 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 12 km away · felt by 115

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000av56. Read Thu, Sep 24, 2026, 7:20 AM UTC.