M4.2 earthquake 20 km NE of Calama, Chile
A magnitude 4.2 earthquake struck 20 km NE of Calama, Chile on Sun, Jul 14, 1985, 3:48 AM GMT-4 (07:48 UTC), 127 km (79 mi) below the surface.
A larger quake followed: M4.7 79 km N 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
- 1985-07-14 07:48:47 UTC
- Depth
- 126.6 km (78.7 mi), intermediate-depth
- Epicenter
- 22.323° S, 68.781° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.142 km W of San Pedro de Atacama, Chile · 15030 days ago · 153 km deep · 71 km away
- 4.779 km N of Calama, Chile · 15000 days ago · 140 km deep · 68 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002gsf. Read Wed, Sep 23, 2026, 10:52 PM UTC.