M4.2 earthquake 132 km NE of Calama, Chile
A magnitude 4.2 earthquake struck 132 km NE of Calama, Chile on Sat, Feb 1, 1975, 9:20 PM GMT-3 (00:20 UTC), 194 km (121 mi) below the surface.
A larger quake followed: M4.3 109 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
- 4.2 (mb), light
- Local time
- UTC
- 1975-02-02 00:20:09 UTC
- Depth
- 194.0 km (120.5 mi), intermediate-depth
- Epicenter
- 21.559° S, 68.069° 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
- 10
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 2 in the 30 days before it.
After
- 4.3109 km NE of Calama, Chile · 18831 days ago · 102 km deep · 23 km away
- 5.192 km NNE of Calama, Chile · 18810 days ago · 80 km deep · 50 km away
- 4.983 km ENE of Calama, Chile · 18806 days ago · 123 km deep · 57 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00009rt. Read Tue, Sep 22, 2026, 2:46 PM UTC.