M4.3 earthquake 109 km NE of Calama, Chile
A magnitude 4.3 earthquake struck 109 km NE of Calama, Chile on Mon, Mar 3, 1975, 2:44 PM GMT-3 (17:44 UTC), 102 km (63 mi) below the surface.
A larger quake followed: M5.1 92 km NNE 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
- 4.3 (mb), light
- Local time
- UTC
- 1975-03-03 17:44:31 UTC
- Depth
- 102.0 km (63.4 mi), intermediate-depth
- Epicenter
- 21.694° S, 68.242° 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
- 8
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 1 in the 30 days before it.
After
- 5.192 km NNE of Calama, Chile · 18816 days ago · 80 km deep · 29 km away
- 4.983 km ENE of Calama, Chile · 18812 days ago · 123 km deep · 39 km away
- 4.731 km ENE of Calama, Chile · 18810 days ago · 103 km deep · 83 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000a3p. Read Tue, Sep 29, 2026, 12:41 AM UTC.