M4.1 earthquake 56 km N of La Serena, Chile
A magnitude 4.1 earthquake struck 56 km N of La Serena, Chile on Sat, Jan 3, 2015, 9:20 PM GMT-3 (00:20 UTC), 50 km (31 mi) below the surface.
A larger quake followed: M4.7 35 km SW 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, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-01-04 00:20:14 UTC
- Depth
- 49.9 km (31.0 mi), shallow
- Epicenter
- 29.396° S, 71.230° 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 186°, dip 5°, rake 86°
- Nodal plane 2
- Strike 10°, dip 85°, rake 90°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.2 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.08
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.110 km N of La Serena, Chile · 4271 days ago · 59 km deep · 46 km away
- 4.216 km NW of Coquimbo, Chile · 4269 days ago · 64 km deep · 54 km away
- 4.043 km W of Vallenar, Chile · 4260 days ago · 46 km deep · 95 km away
- 4.173 km N of Vicuña, Chile · 4257 days ago · 94 km deep · 61 km away
- 4.364 km NNE of La Serena, Chile · 4257 days ago · 95 km deep · 17 km away
- 4.735 km SW of Coquimbo, Chile · 4250 days ago · 56 km deep · 93 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usc000tbij. Read Thu, Oct 1, 2026, 7:36 AM UTC.