M4.2 earthquake 175 km WNW of Colchani, Bolivia
A magnitude 4.2 earthquake struck 175 km WNW of Colchani, Bolivia on Thu, Aug 28, 1975, 6:18 AM GMT-4 (10:18 UTC), 124 km (77 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-08-28 10:18:15 UTC
- Depth
- 124.0 km (77.1 mi), intermediate-depth
- Epicenter
- 19.488° S, 68.375° W
- Region
- Bolivia
- 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: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000cms. Read Fri, Oct 2, 2026, 1:44 PM UTC.