M4.1 earthquake 89 km NW of Coquimbo, Chile
A magnitude 4.1 earthquake struck 89 km NW of Coquimbo, Chile on Tue, Feb 6, 2018, 8:54 AM GMT-3 (11:54 UTC), 38 km (23 mi) below the surface.
A larger quake followed: M5.1 145 km WNW of Coquimbo, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mwr), light
- Local time
- UTC
- 2018-02-06 11:54:51 UTC
- Depth
- 37.5 km (23.3 mi), shallow
- Epicenter
- 29.361° S, 71.969° 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
- Oblique reverse
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 177°, dip 48°, rake 141°
- Nodal plane 2
- Strike 295°, dip 62°, rake 49°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.5 km horizontally, 7.0 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 98°
- Stations used
- 70
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.1145 km WNW of Coquimbo, Chile · 3154 days ago · 10 km deep · 63 km away · felt by 8
- 4.3154 km NW of Coquimbo, Chile · 3142 days ago · 10 km deep · 70 km away
- 4.0160 km WNW of Coquimbo, Chile · 3141 days ago · 10 km deep · 79 km away
- 4.042 km NW of Coquimbo, Chile · 3136 days ago · 38 km deep · 49 km away
- 4.4176 km WNW of Coquimbo, Chile · 3136 days ago · 10 km deep · 93 km away
- 4.3176 km WNW of Coquimbo, Chile · 3136 days ago · 10 km deep · 93 km away
- 4.392 km WSW of Vallenar, Chile · 3127 days ago · 23 km deep · 56 km away · felt by 1
- 4.281 km WSW of Vallenar, Chile · 3115 days ago · 24 km deep · 72 km away
- 4.776 km WSW of Coquimbo, Chile · 3101 days ago · 10 km deep · 92 km away · felt by 1
Before
- 4.746 km W of Coquimbo, Chile · 3159 days ago · 10 km deep · 68 km away
- 4.278 km SW of Vallenar, Chile · 3165 days ago · 57 km deep · 72 km away · felt by 1
- 5.2118 km WSW of Vallenar, Chile · 3172 days ago · 35 km deep · 49 km away · felt by 9
- 4.4110 km W of Vallenar, Chile · 3179 days ago · 22 km deep · 74 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000chfp. Read Sun, Sep 27, 2026, 10:01 AM UTC.