M4.3 earthquake 91 km NW of Coquimbo, Chile
A magnitude 4.3 earthquake struck 91 km NW of Coquimbo, Chile on Tue, Dec 15, 2015, 1:51 AM GMT-3 (04:51 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.6 83 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
- 4.3 (mwr), light
- Local time
- UTC
- 2015-12-15 04:51:03 UTC
- Depth
- 10.3 km (6.4 mi), shallow
- Epicenter
- 29.362° S, 71.997° 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
- 4.3 Mwr
- Nodal plane 1
- Strike 356°, dip 42°, rake 100°
- Nodal plane 2
- Strike 162°, dip 49°, rake 81°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.4 km horizontally, 4.5 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 148°
- Stations used
- 57
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 10 in the 30 days before it.
After
- 4.376 km W of Coquimbo, Chile · 3928 days ago · 10 km deep · 56 km away
- 4.589 km NW of Coquimbo, Chile · 3927 days ago · 10 km deep · 10 km away
- 4.190 km NW of Coquimbo, Chile · 3921 days ago · 10 km deep · 2 km away
- 4.683 km WNW of Coquimbo, Chile · 3917 days ago · 5 km deep · 34 km away
- 4.558 km WSW of Coquimbo, Chile · 3898 days ago · 15 km deep · 89 km away · felt by 1
- 4.337 km SW of Coquimbo, Chile · 3894 days ago · 23 km deep · 98 km away
- 4.181 km NW of Coquimbo, Chile · 3894 days ago · 10 km deep · 10 km away
- 4.381 km WNW of Coquimbo, Chile · 3890 days ago · 10 km deep · 31 km away
Before
- 4.369 km WNW of Coquimbo, Chile · 3942 days ago · 10 km deep · 33 km away
- 4.539 km NW of Coquimbo, Chile · 3952 days ago · 35 km deep · 54 km away
- 4.284 km WSW of Coquimbo, Chile · 3953 days ago · 10 km deep · 94 km away
- 4.6158 km WNW of Coquimbo, Chile · 3958 days ago · 10 km deep · 96 km away
- 4.698 km NW of Coquimbo, Chile · 3960 days ago · 10 km deep · 19 km away
- 4.3102 km NW of Coquimbo, Chile · 3960 days ago · 10 km deep · 12 km away
- 3.9100 km WNW of Coquimbo, Chile · 3966 days ago · 10 km deep · 49 km away
- 4.376 km W of Coquimbo, Chile · 3969 days ago · 10 km deep · 63 km away
- 3.977 km NW of Coquimbo, Chile · 3970 days ago · 14 km deep · 20 km away
- 4.371 km WNW of Coquimbo, Chile · 3970 days ago · 10 km deep · 47 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20004h9q. Read Mon, Sep 28, 2026, 5:47 PM UTC.