M4.1 earthquake 86 km WNW of Coquimbo, Chile
A magnitude 4.1 earthquake struck 86 km WNW of Coquimbo, Chile on Sat, Oct 8, 2016, 2:27 PM GMT-3 (17:27 UTC), 15 km (10 mi) below the surface.
A larger quake followed: M4.5 79 km W 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
- 2016-10-08 17:27:22 UTC
- Depth
- 15.4 km (9.6 mi), shallow
- Epicenter
- 29.627° S, 72.148° 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
- 4.1 Mwr
- Nodal plane 1
- Strike 171°, dip 43°, rake 71°
- Nodal plane 2
- Strike 16°, dip 50°, rake 107°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.7 km horizontally, 5.2 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 139°
- Stations used
- 54
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.088 km WNW of Ovalle, Chile · 3635 days ago · 18 km deep · 89 km away
- 4.579 km W of Coquimbo, Chile · 3613 days ago · 8 km deep · 25 km away
- 4.077 km WSW of Coquimbo, Chile · 3603 days ago · 31 km deep · 54 km away
- 4.4Near the coast of Coquimbo, Chile · 3600 days ago · 29 km deep · 62 km away
- 4.2Near the coast of Coquimbo, Chile · 3591 days ago · 48 km deep · 70 km away
- 4.395 km WSW of Coquimbo, Chile · 3587 days ago · 11 km deep · 78 km away
- 4.5100 km WSW of Coquimbo, Chile · 3587 days ago · 10 km deep · 78 km away · felt by 1
Before
- 4.254 km N of La Serena, Chile · 3637 days ago · 50 km deep · 92 km away · felt by 1
- 4.877 km WNW of Coquimbo, Chile · 3644 days ago · 10 km deep · 10 km away
- 4.660 km SW of Coquimbo, Chile · 3650 days ago · 30 km deep · 87 km away · felt by 1
- 3.736 km WNW of Coquimbo, Chile · 3651 days ago · 30 km deep · 50 km away · felt by 1
- 4.685 km WSW of Vallenar, Chile · 3660 days ago · 20 km deep · 95 km away
- 4.287 km WSW of Coquimbo, Chile · 3662 days ago · 14 km deep · 85 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20007ctc. Read Wed, Sep 23, 2026, 5:16 AM UTC.