M3.8 earthquake 100 km NE of Calama, Chile
A magnitude 3.8 earthquake struck 100 km NE of Calama, Chile on Sat, Jul 7, 1973, 10:00 PM GMT-4 (02:00 UTC), 126 km (78 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
- 1973-07-08 02:00:01 UTC
- Depth
- 126.0 km (78.3 mi), intermediate-depth
- Epicenter
- 21.838° S, 68.216° 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
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.879 km NE of Calama, Chile · 19438 days ago · 103 km deep · 21 km away
- 4.6153 km SW of Uyuni, Bolivia · 19422 days ago · 159 km deep · 57 km away
- 4.8141 km NE of Calama, Chile · 19417 days ago · 89 km deep · 44 km away
- 4.8141 km NNE of Calama, Chile · 19391 days ago · 113 km deep · 74 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00002m6. Read Tue, Sep 29, 2026, 5:35 PM UTC.