M4.6 earthquake 37 km NNW of La Ligua, Chile
A magnitude 4.6 earthquake struck 37 km NNW of La Ligua, Chile on Wed, Dec 6, 2017, 5:46 PM GMT-3 (20:46 UTC), 54 km (34 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mwr), light
- Local time
- UTC
- 2017-12-06 20:46:30 UTC
- Depth
- 54.0 km (33.5 mi), shallow
- Epicenter
- 32.169° S, 71.452° W
- Region
- Chile
- Felt reports
- 18
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
18 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.6 Mwr
- Nodal plane 1
- Strike 338°, dip 42°, rake 102°
- Nodal plane 2
- Strike 142°, dip 49°, rake 80°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.5 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 63
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.033 km WNW of La Ligua, Chile · 3213 days ago · 10 km deep · 17 km away
- 4.453 km W of La Ligua, Chile · 3200 days ago · 25 km deep · 50 km away
- 4.474 km WSW of Illapel, Chile · 3189 days ago · 14 km deep · 41 km away
- 4.246 km NNW of Valparaíso, Chile · 3185 days ago · 31 km deep · 60 km away · felt by 44
- 4.474 km WNW of La Ligua, Chile · 3162 days ago · 11 km deep · 54 km away
Before
- 4.367 km WNW of La Ligua, Chile · 3214 days ago · 22 km deep · 37 km away · felt by 2
- 4.372 km NW of La Ligua, Chile · 3214 days ago · 36 km deep · 37 km away
- 4.357 km WNW of La Ligua, Chile · 3217 days ago · 26 km deep · 37 km away
- 4.470 km WNW of La Ligua, Chile · 3217 days ago · 10 km deep · 50 km away · felt by 3
- 4.242 km NNW of Valparaíso, Chile · 3219 days ago · 22 km deep · 68 km away · felt by 36
- 4.832 km NE of La Ligua, Chile · 3224 days ago · 72 km deep · 44 km away · felt by 117
- 4.242 km WNW of Hacienda La Calera, Chile · 3224 days ago · 30 km deep · 55 km away · felt by 30
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c1b1. Read Thu, Sep 24, 2026, 1:40 PM UTC.