M4.5 earthquake 86 km WSW of Calama, Chile
A magnitude 4.5 earthquake struck 86 km WSW of Calama, Chile on Tue, Jun 3, 1975, 11:33 PM GMT-4 (03:33 UTC), 46 km (29 mi) below the surface.
A larger quake followed: M4.6 29 km NNE of Antofagasta, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1975-06-04 03:33:49 UTC
- Depth
- 46.0 km (28.6 mi), shallow
- Epicenter
- 22.857° S, 69.642° 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: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.629 km NNE of Antofagasta, Chile · 18737 days ago · 29 km deep · 91 km away
- 4.141 km NW of Calama, Chile · 18709 days ago · 78 km deep · 86 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000bac. Read Sun, Sep 27, 2026, 4:31 PM UTC.