M4.1 earthquake 140 km ESE of Iquique, Chile
A magnitude 4.1 earthquake struck 140 km ESE of Iquique, Chile on Tue, Dec 27, 2016, 8:22 AM GMT-3 (11:22 UTC), 114 km (71 mi) below the surface.
A larger quake followed: M4.8 142 km ESE of Iquique, 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), light
- Local time
- UTC
- 2016-12-27 11:22:17 UTC
- Depth
- 113.9 km (70.7 mi), intermediate-depth
- Epicenter
- 20.483° S, 68.838° 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
- Oblique normal
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 345°, dip 90°, rake -130°
- Nodal plane 2
- Strike 255°, dip 40°, rake 0°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.8 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 30°
- Stations used
- 58
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.0119 km ENE of Iquique, Chile · 3560 days ago · 108 km deep · 94 km away
- 4.1134 km NNE of Calama, Chile · 3552 days ago · 126 km deep · 89 km away
- 4.0144 km E of Iquique, Chile · 3546 days ago · 112 km deep · 5 km away
- 3.988 km E of Iquique, Chile · 3546 days ago · 107 km deep · 60 km away
- 4.1108 km ENE of Iquique, Chile · 3544 days ago · 100 km deep · 77 km away
- 4.4127 km E of Iquique, Chile · 3537 days ago · 121 km deep · 45 km away
- 4.3134 km N of Calama, Chile · 3536 days ago · 127 km deep · 86 km away
- 4.2112 km E of Iquique, Chile · 3534 days ago · 110 km deep · 31 km away
- 4.1125 km E of Iquique, Chile · 3533 days ago · 120 km deep · 23 km away
- 4.4105 km ENE of Iquique, Chile · 3528 days ago · 98 km deep · 68 km away
- 4.3138 km N of Calama, Chile · 3524 days ago · 131 km deep · 81 km away
- 4.8142 km ESE of Iquique, Chile · 3524 days ago · 95 km deep · 50 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10007n06. Read Thu, Oct 1, 2026, 12:45 AM UTC.