Chile earthquakes

M4.5 earthquake 124 km W of Illapel, Chile

A magnitude 4.5 earthquake struck 124 km W of Illapel, Chile on Tue, Sep 19, 2017, 2:50 PM GMT-3 (17:50 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.

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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
4.5 (mb), light
Local time
UTC
2017-09-19 17:50:45 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.776° S, 72.473° W
Region
Chile
Felt reports
5
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

5 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 3.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.19
Depth from
Operator assigned
Station coverage gap
138°
Stations used
43

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. 4.0Off the coast of Coquimbo, Chile · 3292 days ago · 10 km deep · 24 km away
  2. 4.3103 km W of Illapel, Chile · 3285 days ago · 14 km deep · 22 km away · felt by 21
  3. 4.199 km W of Illapel, Chile · 3282 days ago · 39 km deep · 26 km away · felt by 6
  4. 4.161 km W of La Ligua, Chile · 3274 days ago · 20 km deep · 97 km away · felt by 103
  5. 4.7143 km NW of Valparaíso, Chile · 3266 days ago · 10 km deep · 62 km away · felt by 127

Before

  1. 4.2113 km W of Illapel, Chile · 3292 days ago · 10 km deep · 13 km away · felt by 1
  2. 3.9118 km W of Illapel, Chile · 3292 days ago · 10 km deep · 7 km away
  3. 4.396 km W of Illapel, Chile · 3293 days ago · 10 km deep · 29 km away
  4. 4.3102 km WSW of Illapel, Chile · 3293 days ago · 10 km deep · 25 km away
  5. 5.993 km WSW of Illapel, Chile · 3293 days ago · 17 km deep · 33 km away · felt by 115
  6. 4.449 km WSW of Illapel, Chile · 3315 days ago · 22 km deep · 75 km away
  7. 4.099 km WSW of Illapel, Chile · 3315 days ago · 10 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000aqyy. Read Thu, Sep 24, 2026, 10:08 AM UTC.