M3.8 earthquake 79 km NE of Calama, Chile
A magnitude 3.8 earthquake struck 79 km NE of Calama, Chile on Wed, Jul 11, 1973, 4:10 PM GMT-4 (20:10 UTC), 103 km (64 mi) below the surface.
A larger quake followed: M4.8 141 km NE 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
- 3.8 (mb), minor
- Local time
- UTC
- 1973-07-11 20:10:02 UTC
- Depth
- 103.0 km (64.0 mi), intermediate-depth
- Epicenter
- 21.985° S, 68.339° 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.
- Stations used
- 5
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
- 4.6153 km SW of Uyuni, Bolivia · 19422 days ago · 159 km deep · 78 km away
- 4.8141 km NE of Calama, Chile · 19418 days ago · 89 km deep · 64 km away
- 4.8141 km NNE of Calama, Chile · 19391 days ago · 113 km deep · 86 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00002p3. Read Wed, Sep 30, 2026, 7:24 AM UTC.