M4.2 earthquake 160 km WNW of Vallenar, Chile
A magnitude 4.2 earthquake struck 160 km WNW of Vallenar, Chile on Tue, Jun 26, 2018, 8:55 AM GMT-4 (12:55 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.4 Near the coast of Atacama, 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
- 2018-06-26 12:55:07 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 27.836° S, 72.168° 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
- Normal
- Moment magnitude
- 4.2 Mwr
- Nodal plane 1
- Strike 359°, dip 45°, rake -114°
- Nodal plane 2
- Strike 211°, dip 50°, rake -68°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.3 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 89°
- Stations used
- 102
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 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 us1000f264. Read Sat, Sep 26, 2026, 5:52 PM UTC.