M4.2 earthquake 99 km SW of Uyuni, Bolivia
A magnitude 4.2 earthquake struck 99 km SW of Uyuni, Bolivia on Tue, Aug 3, 2021, 7:04 PM GMT-4 (23:04 UTC), 195 km (121 mi) below the surface.
A larger quake followed: M4.6 139 km NNE of San Pedro de Atacama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-03 23:04:01 UTC
- Depth
- 194.6 km (120.9 mi), intermediate-depth
- Epicenter
- 21.122° S, 67.472° 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.
- Location uncertainty
- About 8.2 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 69°
- Stations used
- 45
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.0107 km WSW of Colchani, Bolivia · 1884 days ago · 203 km deep · 51 km away
- 4.1108 km SSW of Uyuni, Bolivia · 1874 days ago · 192 km deep · 43 km away
- 4.5149 km SW of Uyuni, Bolivia · 1864 days ago · 206 km deep · 53 km away
- 4.418 km SSW of Uyuni, Bolivia · 1864 days ago · 255 km deep · 82 km away · felt by 1
- 4.6139 km NNE of San Pedro de Atacama, Chile · 1861 days ago · 216 km deep · 73 km away
- 4.1Potosi, Bolivia · 1835 days ago · 234 km deep · 66 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f20h. Read Sat, Oct 3, 2026, 10:10 AM UTC.