M6.1 earthquake 40 km SSE of Vallegrande, Bolivia
A magnitude 6.1 earthquake struck 40 km SSE of Vallegrande, Bolivia on Thu, Aug 12, 1920, 9:30 PM GMT-4:32:36 (02:02 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1920-08-13 02:02:46 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 18.807° S, 63.908° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem912578. Read Tue, Sep 22, 2026, 9:35 AM UTC.