M4.1 earthquake 151 km N of Calama, Chile
A magnitude 4.1 earthquake struck 151 km N of Calama, Chile on Tue, Nov 20, 2018, 12:13 AM GMT-3 (03:13 UTC), 144 km (89 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 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-11-20 03:13:16 UTC
- Depth
- 143.9 km (89.4 mi), intermediate-depth
- Epicenter
- 21.108° S, 68.689° 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.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.5 km horizontally, 9.2 km in depth
- Magnitude uncertainty
- ±0.30
- Depth from
- From location
- Station coverage gap
- 47°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.990 km NE of Calama, Chile · 2853 days ago · 133 km deep · 82 km away
- 4.2139 km N of Calama, Chile · 2850 days ago · 124 km deep · 12 km away
- 4.288 km NNW of Calama, Chile · 2846 days ago · 106 km deep · 78 km away
- 4.6154 km N of Calama, Chile · 2842 days ago · 93 km deep · 15 km away · felt by 1
- 4.692 km NNE of Calama, Chile · 2840 days ago · 143 km deep · 62 km away
- 5.0136 km NNE of Calama, Chile · 2839 days ago · 115 km deep · 58 km away · felt by 2
- 4.3105 km NNE of Calama, Chile · 2839 days ago · 140 km deep · 53 km away
- 4.271 km NE of Calama, Chile · 2832 days ago · 117 km deep · 94 km away
- 4.7137 km SE of Iquique, Chile · 2827 days ago · 140 km deep · 48 km away
- 4.283 km NNE of Calama, Chile · 2823 days ago · 128 km deep · 69 km away
Before
- 4.1141 km N of Calama, Chile · 2880 days ago · 113 km deep · 11 km away
- 4.5152 km N of Calama, Chile · 2880 days ago · 113 km deep · 27 km away
- 4.5132 km N of Calama, Chile · 2886 days ago · 115 km deep · 28 km away
- 4.577 km NNE of Calama, Chile · 2886 days ago · 126 km deep · 80 km away
- 4.4122 km E of Iquique, Chile · 2892 days ago · 106 km deep · 85 km away · felt by 1
- 4.0150 km N of Calama, Chile · 2894 days ago · 141 km deep · 5 km away
- 4.360 km NNE of Calama, Chile · 2896 days ago · 105 km deep · 94 km away · felt by 1
- 4.2121 km ESE of Iquique, Chile · 2901 days ago · 96 km deep · 70 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000hu9a. Read Fri, Oct 2, 2026, 12:03 AM UTC.