M3.8 earthquake 104 km NE of Calama, Chile
A magnitude 3.8 earthquake struck 104 km NE of Calama, Chile on Thu, Nov 1, 1973, 7:38 AM GMT-3 (10:38 UTC), 130 km (81 mi) below the surface.
A larger quake followed: M4.5 64 km NNW 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
- 1973-11-01 10:38:05 UTC
- Depth
- 130.0 km (80.8 mi), intermediate-depth
- Epicenter
- 21.800° S, 68.191° 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
- 7
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 5 in the 30 days before it.
After
- 4.1126 km NNE of Calama, Chile · 19311 days ago · 123 km deep · 64 km away
- 4.564 km NNW of Calama, Chile · 19287 days ago · 193 km deep · 95 km away
- 4.391 km NE of Calama, Chile · 19286 days ago · 121 km deep · 18 km away
Before
- 4.9150 km SSW of Uyuni, Bolivia · 19328 days ago · 210 km deep · 77 km away
- 4.243 km ESE of Calama, Chile · 19328 days ago · 93 km deep · 100 km away
- 4.7117 km SW of Uyuni, Bolivia · 19352 days ago · 173 km deep · 88 km away
- 5.1133 km WSW of Colchani, Bolivia · 19353 days ago · 107 km deep · 95 km away
- 4.2161 km NNE of Calama, Chile · 19353 days ago · 110 km deep · 70 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000040j. Read Mon, Sep 28, 2026, 2:00 AM UTC.