M4.7 earthquake 79 km N of Calama, Chile
A magnitude 4.7 earthquake struck 79 km N of Calama, Chile on Thu, Aug 29, 1985, 10:46 AM GMT-4 (14:46 UTC), 140 km (87 mi) below the surface.
A larger quake followed: M4.9 18 km NW 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
- 4.7 (mb), light
- Local time
- UTC
- 1985-08-29 14:46:36 UTC
- Depth
- 140.3 km (87.2 mi), intermediate-depth
- Epicenter
- 21.746° S, 69.013° 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 1.7 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002j8f. Read Wed, Sep 23, 2026, 6:35 PM UTC.