M4.1 earthquake 98 km W of Ovalle, Chile
A magnitude 4.1 earthquake struck 98 km W of Ovalle, Chile on Fri, Dec 29, 2017, 7:13 PM GMT-3 (22:13 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 82 km WNW of Ovalle, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mwr), light
- Local time
- UTC
- 2017-12-29 22:13:50 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 30.447° S, 72.213° 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.
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
- 4.1 Mwr
- Nodal plane 1
- Strike 353°, dip 38°, rake 92°
- Nodal plane 2
- Strike 170°, dip 52°, rake 88°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- Operator assigned
- Station coverage gap
- 102°
- Stations used
- 46
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.882 km WNW of Ovalle, Chile · 3164 days ago · 10 km deep · 17 km away
- 4.746 km W of Coquimbo, Chile · 3161 days ago · 10 km deep · 66 km away
- 4.042 km NW of Coquimbo, Chile · 3139 days ago · 38 km deep · 92 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ciyb. Read Wed, Sep 30, 2026, 1:56 AM UTC.