M4.2 earthquake 64 km NNE of Calama, Chile
A magnitude 4.2 earthquake struck 64 km NNE of Calama, Chile on Wed, Jan 12, 1983, 3:34 AM GMT-3 (06:34 UTC), 139 km (86 mi) below the surface.
A larger quake followed: M5.0 116 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
- 4.2 (mb), light
- Local time
- UTC
- 1983-01-12 06:34:47 UTC
- Depth
- 138.6 km (86.1 mi), intermediate-depth
- Epicenter
- 21.960° S, 68.598° 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.
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 3 in the 30 days before it.
After
- 4.170 km NE of Calama, Chile · 15949 days ago · 129 km deep · 20 km away
- 5.0116 km NNE of Calama, Chile · 15922 days ago · 133 km deep · 60 km away
- 4.149 km E of Calama, Chile · 15909 days ago · 96 km deep · 64 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001s5c. Read Tue, Sep 22, 2026, 4:10 PM UTC.