M4.1 earthquake 70 km S of Calama, Chile
A magnitude 4.1 earthquake struck 70 km S of Calama, Chile on Tue, Dec 12, 2017, 9:43 AM GMT-3 (12:43 UTC), 97 km (60 mi) below the surface.
A larger quake followed: M4.4 109 km SSW of San Pedro de Atacama, 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
- 2017-12-12 12:43:35 UTC
- Depth
- 97.2 km (60.4 mi), intermediate-depth
- Epicenter
- 23.089° S, 68.912° 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 6.2 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 82°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.046 km SW of Calama, Chile · 3197 days ago · 83 km deep · 42 km away
- 4.319 km WNW of San Pedro de Atacama, Chile · 3196 days ago · 128 km deep · 64 km away
- 4.4109 km SSW of San Pedro de Atacama, Chile · 3195 days ago · 104 km deep · 83 km away
- 4.422 km NNE of Calama, Chile · 3171 days ago · 117 km deep · 92 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000c3cl. Read Thu, Oct 1, 2026, 10:27 AM UTC.