M4.6 earthquake 124 km NW of Vallenar, Chile
A magnitude 4.6 earthquake struck 124 km NW of Vallenar, Chile on Thu, Feb 15, 2018, 8:36 PM GMT-3 (23:36 UTC), 8 km (5 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mwr), light
- Local time
- UTC
- 2018-02-15 23:36:21 UTC
- Depth
- 8.2 km (5.1 mi), shallow
- Epicenter
- 27.817° S, 71.693° 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
- 4.6 Mwr
- Nodal plane 1
- Strike 351°, dip 17°, rake 92°
- Nodal plane 2
- Strike 169°, dip 73°, rake 89°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.8 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 101°
- Stations used
- 92
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.960 km W of Vallenar, Chile · 3113 days ago · 24 km deep · 81 km away · felt by 1
- 4.3161 km W of Copiapó, Chile · 3090 days ago · 10 km deep · 75 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d2yd. Read Sat, Sep 26, 2026, 5:19 AM UTC.