M4.2 earthquake 51 km ENE of Vallenar, Chile
A magnitude 4.2 earthquake struck 51 km ENE of Vallenar, Chile on Sat, Dec 2, 2017, 6:30 AM GMT-3 (09:30 UTC), 122 km (75 mi) below the surface.
A larger quake followed: M4.4 74 km NNW 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
- 4.2 (mb), light
- Local time
- UTC
- 2017-12-02 09:30:22 UTC
- Depth
- 121.5 km (75.5 mi), intermediate-depth
- Epicenter
- 28.409° S, 70.273° 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 7.1 km horizontally, 7.2 km in depth
- Magnitude uncertainty
- ±0.37
- Depth from
- From location
- Station coverage gap
- 74°
- 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: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bk95. Read Sat, Sep 26, 2026, 7:04 PM UTC.