M4.1 earthquake 150 km N of Calama, Chile
A magnitude 4.1 earthquake struck 150 km N of Calama, Chile on Sun, Nov 20, 2016, 8:37 PM GMT-3 (23:37 UTC), 142 km (88 mi) below the surface.
A larger quake followed: M4.8 160 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), light
- Local time
- UTC
- 2016-11-20 23:37:23 UTC
- Depth
- 141.5 km (87.9 mi), intermediate-depth
- Epicenter
- 21.120° S, 68.651° 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 3.2 km horizontally, 8.9 km in depth
- Magnitude uncertainty
- ±0.26
- Depth from
- From location
- Station coverage gap
- 103°
- Stations used
- 63
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 6 in the 30 days before it.
After
- 4.8160 km NNE of Calama, Chile · 3591 days ago · 103 km deep · 11 km away · felt by 1
- 4.0102 km NNE of Calama, Chile · 3584 days ago · 112 km deep · 68 km away
- 4.1140 km ESE of Iquique, Chile · 3564 days ago · 114 km deep · 73 km away
- 4.6112 km NNE of Calama, Chile · 3562 days ago · 115 km deep · 60 km away
- 4.1134 km NNE of Calama, Chile · 3552 days ago · 126 km deep · 16 km away
- 4.0144 km E of Iquique, Chile · 3546 days ago · 112 km deep · 74 km away
Before
- 4.369 km NE of Calama, Chile · 3601 days ago · 156 km deep · 92 km away
- 4.4120 km ESE of Iquique, Chile · 3605 days ago · 109 km deep · 66 km away
- 4.2138 km E of Iquique, Chile · 3605 days ago · 113 km deep · 93 km away
- 4.166 km NNE of Calama, Chile · 3606 days ago · 124 km deep · 89 km away
- 4.0138 km N of Calama, Chile · 3607 days ago · 104 km deep · 27 km away
- 4.1149 km N of Calama, Chile · 3620 days ago · 132 km deep · 25 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007b0v. Read Wed, Sep 30, 2026, 1:48 PM UTC.