M3.5 earthquake 110 km NE of Calama, Chile
A magnitude 3.5 earthquake struck 110 km NE of Calama, Chile on Sat, Oct 12, 1974, 11:27 AM GMT-4 (15:27 UTC), 141 km (88 mi) below the surface.
A larger quake followed: M4.7 59 km NNW of San Pedro de Atacama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (mb), minor
- Local time
- UTC
- 1974-10-12 15:27:05 UTC
- Depth
- 141.0 km (87.6 mi), intermediate-depth
- Epicenter
- 21.696° S, 68.226° 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
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.275 km N of San Pedro de Atacama, Chile · 18973 days ago · 166 km deep · 63 km away
- 3.6143 km WSW of Colchani, Bolivia · 18956 days ago · 170 km deep · 96 km away
- 4.3114 km N of Calama, Chile · 18954 days ago · 95 km deep · 64 km away
- 4.759 km NNW of San Pedro de Atacama, Chile · 18946 days ago · 110 km deep · 78 km away
- 4.4Antofagasta, Chile · 18946 days ago · 98 km deep · 77 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00008cs. Read Tue, Sep 29, 2026, 3:14 AM UTC.