M4.1 earthquake 141 km N of Calama, Chile
A magnitude 4.1 earthquake struck 141 km N of Calama, Chile on Mon, Nov 12, 2018, 9:20 PM GMT-3 (00:20 UTC), 113 km (70 mi) below the surface.
A larger quake followed: M5.0 136 km NNE of Calama, 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
- 2018-11-13 00:20:25 UTC
- Depth
- 112.5 km (69.9 mi), intermediate-depth
- Epicenter
- 21.202° S, 68.658° 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
- Strike-slip
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 228°, dip 32°, rake -25°
- Nodal plane 2
- Strike 339°, dip 77°, rake -120°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.5 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 51°
- Stations used
- 64
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.1151 km N of Calama, Chile · 2872 days ago · 144 km deep · 11 km away
- 4.990 km NE of Calama, Chile · 2853 days ago · 133 km deep · 71 km away
- 4.2139 km N of Calama, Chile · 2849 days ago · 124 km deep · 3 km away
- 4.288 km NNW of Calama, Chile · 2845 days ago · 106 km deep · 72 km away
- 4.6154 km N of Calama, Chile · 2841 days ago · 93 km deep · 23 km away · felt by 1
- 4.692 km NNE of Calama, Chile · 2840 days ago · 143 km deep · 51 km away
- 5.0136 km NNE of Calama, Chile · 2838 days ago · 115 km deep · 50 km away · felt by 2
- 4.3105 km NNE of Calama, Chile · 2838 days ago · 140 km deep · 42 km away
- 4.271 km NE of Calama, Chile · 2831 days ago · 117 km deep · 83 km away
- 4.7137 km SE of Iquique, Chile · 2827 days ago · 140 km deep · 54 km away
- 4.283 km NNE of Calama, Chile · 2823 days ago · 128 km deep · 59 km away
Before
- 4.5152 km N of Calama, Chile · 2880 days ago · 113 km deep · 33 km away
- 4.5132 km N of Calama, Chile · 2885 days ago · 115 km deep · 26 km away
- 4.577 km NNE of Calama, Chile · 2886 days ago · 126 km deep · 69 km away
- 4.4122 km E of Iquique, Chile · 2892 days ago · 106 km deep · 96 km away · felt by 1
- 4.0150 km N of Calama, Chile · 2894 days ago · 141 km deep · 9 km away
- 4.360 km NNE of Calama, Chile · 2895 days ago · 105 km deep · 84 km away · felt by 1
- 4.2121 km ESE of Iquique, Chile · 2901 days ago · 96 km deep · 80 km away
- 4.2139 km N of Calama, Chile · 2904 days ago · 122 km deep · 34 km away
- 4.3162 km N of Calama, Chile · 2907 days ago · 113 km deep · 29 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hr3b. Read Thu, Oct 1, 2026, 11:47 AM UTC.