M4.2 earthquake 120 km NW of Vallenar, Chile
A magnitude 4.2 earthquake struck 120 km NW of Vallenar, Chile on Thu, Jun 8, 2017, 11:03 PM GMT-4 (03:03 UTC), 12 km (8 mi) below the surface.
A larger quake followed: M5.3 47 km WNW 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 (mwr), light
- Local time
- UTC
- 2017-06-09 03:03:56 UTC
- Depth
- 12.3 km (7.6 mi), shallow
- Epicenter
- 27.793° S, 71.613° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was II, weak 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
- 4.2 Mwr
- Nodal plane 1
- Strike 15°, dip 37°, rake 104°
- Nodal plane 2
- Strike 177°, dip 54°, rake 79°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.6 km horizontally, 3.6 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 144°
- Stations used
- 34
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 3 in the 30 days before it.
After
- 5.347 km WNW of Vallenar, Chile · 3343 days ago · 41 km deep · 86 km away · felt by 6
- 4.350 km WNW of Vallenar, Chile · 3343 days ago · 41 km deep · 82 km away · felt by 3
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009lfh. Read Mon, Sep 28, 2026, 12:01 AM UTC.