M3.9 earthquake 83 km WSW of Vallenar, Chile
A magnitude 3.9 earthquake struck 83 km WSW of Vallenar, Chile on Sat, Dec 24, 2016, 1:49 AM GMT-3 (04:49 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M4.3 92 km WSW of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 2016-12-24 04:49:41 UTC
- Depth
- 40.0 km (24.9 mi), shallow
- Epicenter
- 28.768° S, 71.589° 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 2.6 km horizontally, 20.9 km in depth
- Magnitude uncertainty
- ±0.26
- Depth from
- From location
- Station coverage gap
- 127°
- Stations used
- 44
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 1 in the 30 days before it.
After
- 4.2172 km W of Vallenar, Chile · 3563 days ago · 10 km deep · 100 km away · felt by 1
- 3.977 km WNW of Vallenar, Chile · 3562 days ago · 34 km deep · 41 km away
- 4.130 km NNW of La Serena, Chile · 3556 days ago · 42 km deep · 100 km away
- 4.392 km WSW of Vallenar, Chile · 3556 days ago · 7 km deep · 8 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007mg4. Read Sun, Sep 27, 2026, 8:45 AM UTC.