M4.0 earthquake 46 km SW of Calama, Chile
A magnitude 4.0 earthquake struck 46 km SW of Calama, Chile on Sat, Dec 30, 2017, 6:46 PM GMT-3 (21:46 UTC), 83 km (52 mi) below the surface.
A larger quake followed: M4.4 22 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-12-30 21:46:47 UTC
- Depth
- 83.4 km (51.8 mi), intermediate-depth
- Epicenter
- 22.799° S, 69.181° 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 2.0 km horizontally, 5.2 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 53°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.319 km WNW of San Pedro de Atacama, Chile · 3196 days ago · 128 km deep · 85 km away
- 4.422 km NNE of Calama, Chile · 3170 days ago · 117 km deep · 69 km away
- 4.148 km S of Calama, Chile · 3153 days ago · 103 km deep · 35 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bybf. Read Thu, Oct 1, 2026, 8:45 AM UTC.