M4.0 earthquake 13 km SW of Illapel, Chile
A magnitude 4.0 earthquake struck 13 km SW of Illapel, Chile on Sun, Dec 18, 2016, 1:25 PM GMT-3 (16:25 UTC), 54 km (34 mi) below the surface.
A larger quake followed: M4.4 42 km NNW 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
- 2016-12-18 16:25:11 UTC
- Depth
- 54.4 km (33.8 mi), shallow
- Epicenter
- 31.736° S, 71.254° 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 4.3 km horizontally, 6.8 km in depth
- Magnitude uncertainty
- ±0.30
- Stations used
- 0
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 10 in the 30 days before it.
After
- 4.442 km NNW of La Ligua, Chile · 3551 days ago · 90 km deep · 39 km away
- 4.539 km NNE of Illapel, Chile · 3543 days ago · 93 km deep · 54 km away · felt by 2
- 4.074 km NW of La Ligua, Chile · 3528 days ago · 47 km deep · 64 km away
- 4.753 km SSW of Ovalle, Chile · 3526 days ago · 57 km deep · 83 km away · felt by 1
Before
- 3.824 km SW of La Ligua, Chile · 3572 days ago · 36 km deep · 100 km away
- 4.843 km SSW of Ovalle, Chile · 3572 days ago · 50 km deep · 90 km away · felt by 7
- 4.445 km WNW of Illapel, Chile · 3575 days ago · 52 km deep · 43 km away
- 4.949 km WNW of Illapel, Chile · 3575 days ago · 34 km deep · 47 km away
- 5.260 km W of Illapel, Chile · 3575 days ago · 41 km deep · 56 km away · felt by 16
- 4.470 km W of Illapel, Chile · 3576 days ago · 10 km deep · 64 km away
- 4.777 km WNW of La Ligua, Chile · 3581 days ago · 23 km deep · 84 km away · felt by 2
- 4.447 km SW of Ovalle, Chile · 3582 days ago · 51 km deep · 96 km away · felt by 1
- 4.320 km S of Salamanca, Chile · 3585 days ago · 91 km deep · 36 km away
- 4.370 km WSW of Illapel, Chile · 3589 days ago · 6 km deep · 59 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us200082cw. Read Wed, Sep 23, 2026, 3:32 AM UTC.