M4.9 earthquake 83 km ENE of Calama, Chile
A magnitude 4.9 earthquake struck 83 km ENE of Calama, Chile on Fri, Mar 28, 1975, 6:30 PM GMT-4 (22:30 UTC), 123 km (76 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-03-28 22:30:07 UTC
- Depth
- 123.0 km (76.4 mi), intermediate-depth
- Epicenter
- 22.041° S, 68.250° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.731 km ENE of Calama, Chile · 18811 days ago · 103 km deep · 53 km away
- 4.764 km N of San Pedro de Atacama, Chile · 18757 days ago · 125 km deep · 32 km away
- 4.038 km N of San Pedro de Atacama, Chile · 18757 days ago · 219 km deep · 58 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000adk. Read Tue, Sep 29, 2026, 11:56 PM UTC.