Chile earthquakes

M4.1 earthquake 18 km SE of La Ligua, Chile

A magnitude 4.1 earthquake struck 18 km SE of La Ligua, Chile on Tue, Oct 17, 2017, 7:40 AM GMT-3 (10:40 UTC), 74 km (46 mi) below the surface.

A larger quake followed: M4.8 32 km NE of La Ligua, Chile. This one was a foreshock.

Cabildo 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
4.1 (mb), light
Local time
UTC
2017-10-17 10:40:41 UTC
Depth
73.8 km (45.8 mi), intermediate-depth
Epicenter
32.563° S, 71.080° W
Region
Chile
Felt reports
30
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

30 people 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?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.4 km horizontally, 5.5 km in depth
Magnitude uncertainty
±0.52
Depth from
From location
Station coverage gap
144°
Stations used
46

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 3 in the 30 days before it.

After

  1. 4.276 km ESE of Salamanca, Chile · 3264 days ago · 120 km deep · 92 km away
  2. 4.018 km ENE of Chicureo Abajo, Chile · 3242 days ago · 105 km deep · 94 km away · felt by 12
  3. 4.242 km WNW of Hacienda La Calera, Chile · 3224 days ago · 30 km deep · 53 km away · felt by 30
  4. 4.832 km NE of La Ligua, Chile · 3224 days ago · 72 km deep · 37 km away · felt by 117
  5. 4.242 km NNW of Valparaíso, Chile · 3219 days ago · 22 km deep · 72 km away · felt by 36
  6. 4.470 km WNW of La Ligua, Chile · 3217 days ago · 10 km deep · 88 km away · felt by 3
  7. 4.357 km WNW of La Ligua, Chile · 3217 days ago · 26 km deep · 75 km away
  8. 4.372 km NW of La Ligua, Chile · 3214 days ago · 36 km deep · 91 km away
  9. 4.367 km WNW of La Ligua, Chile · 3214 days ago · 22 km deep · 86 km away · felt by 2
  10. 4.637 km NNW of La Ligua, Chile · 3214 days ago · 54 km deep · 56 km away · felt by 18
  11. 4.033 km WNW of La Ligua, Chile · 3213 days ago · 10 km deep · 52 km away

Before

  1. 3.710 km SSW of Valparaíso, Chile · 3269 days ago · 30 km deep · 84 km away · felt by 42
  2. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 75 km away · felt by 103
  3. 4.351 km NW of Valparaíso, Chile · 3286 days ago · 24 km deep · 86 km away · felt by 45

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000at8a. Read Thu, Sep 24, 2026, 11:50 AM UTC.