Chile earthquakes

M4.2 earthquake 42 km NNW of Valparaíso, Chile

A magnitude 4.2 earthquake struck 42 km NNW of Valparaíso, Chile on Fri, Dec 1, 2017, 2:46 AM GMT-3 (05:46 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M4.6 37 km NNW of La Ligua, Chile. This one was a foreshock.

Quintero 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
4.2 (mb), light
Local time
UTC
2017-12-01 05:46:01 UTC
Depth
21.6 km (13.4 mi), shallow
Epicenter
32.690° S, 71.837° W
Region
Chile
Felt reports
36
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

36 people reported to the USGS what they felt; the strongest reported shaking was V, moderate 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 4.1 km horizontally, 7.4 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
159°
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: 12 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.470 km WNW of La Ligua, Chile · 3223 days ago · 10 km deep · 45 km away · felt by 3
  2. 4.357 km WNW of La Ligua, Chile · 3222 days ago · 26 km deep · 43 km away
  3. 4.557 km WSW of Valparaíso, Chile · 3221 days ago · 15 km deep · 67 km away · felt by 9
  4. 4.372 km NW of La Ligua, Chile · 3220 days ago · 36 km deep · 76 km away
  5. 4.367 km WNW of La Ligua, Chile · 3220 days ago · 22 km deep · 63 km away · felt by 2
  6. 4.637 km NNW of La Ligua, Chile · 3219 days ago · 54 km deep · 68 km away · felt by 18
  7. 4.155 km W of Cartagena, Chile · 3219 days ago · 11 km deep · 97 km away
  8. 4.033 km WNW of La Ligua, Chile · 3219 days ago · 10 km deep · 51 km away
  9. 4.453 km W of La Ligua, Chile · 3206 days ago · 25 km deep · 20 km away
  10. 4.474 km WSW of Illapel, Chile · 3195 days ago · 14 km deep · 78 km away
  11. 4.246 km NNW of Valparaíso, Chile · 3191 days ago · 31 km deep · 8 km away · felt by 44
  12. 4.474 km WNW of La Ligua, Chile · 3168 days ago · 11 km deep · 46 km away

Before

  1. 4.832 km NE of La Ligua, Chile · 3229 days ago · 72 km deep · 94 km away · felt by 117
  2. 4.242 km WNW of Hacienda La Calera, Chile · 3230 days ago · 30 km deep · 20 km away · felt by 30

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000bjra. Read Wed, Sep 30, 2026, 5:01 AM UTC.