M4.0 earthquake 33 km WNW of La Ligua, Chile
A magnitude 4.0 earthquake struck 33 km WNW of La Ligua, Chile on Thu, Dec 7, 2017, 8:40 AM GMT-3 (11:40 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 53 km W of La Ligua, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 2017-12-07 11:40:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 32.303° S, 71.544° 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 5.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.36
- Depth from
- Operator assigned
- Station coverage gap
- 179°
- 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: 4 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.453 km W of La Ligua, Chile · 3200 days ago · 25 km deep · 33 km away
- 4.474 km WSW of Illapel, Chile · 3189 days ago · 14 km deep · 44 km away
- 4.246 km NNW of Valparaíso, Chile · 3185 days ago · 31 km deep · 43 km away · felt by 44
- 4.474 km WNW of La Ligua, Chile · 3162 days ago · 11 km deep · 43 km away
Before
- 4.637 km NNW of La Ligua, Chile · 3214 days ago · 54 km deep · 17 km away · felt by 18
- 4.367 km WNW of La Ligua, Chile · 3214 days ago · 22 km deep · 34 km away · felt by 2
- 4.372 km NW of La Ligua, Chile · 3214 days ago · 36 km deep · 40 km away
- 4.357 km WNW of La Ligua, Chile · 3217 days ago · 26 km deep · 25 km away
- 4.470 km WNW of La Ligua, Chile · 3217 days ago · 10 km deep · 39 km away · felt by 3
- 4.242 km NNW of Valparaíso, Chile · 3219 days ago · 22 km deep · 51 km away · felt by 36
- 4.832 km NE of La Ligua, Chile · 3224 days ago · 72 km deep · 52 km away · felt by 117
- 4.242 km WNW of Hacienda La Calera, Chile · 3224 days ago · 30 km deep · 38 km away · felt by 30
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c1jx. Read Thu, Sep 24, 2026, 12:06 PM UTC.