M4.1 earthquake Potosi, Bolivia
A magnitude 4.1 earthquake struck in Potosi, Bolivia on Fri, Sep 24, 2021, 2:50 AM GMT-4 (06:50 UTC), 234 km (145 mi) below the surface.
A larger quake followed: M4.6 79 km SSW of Atocha, Bolivia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-09-24 06:50:11 UTC
- Depth
- 234.1 km (145.5 mi), intermediate-depth
- Epicenter
- 21.455° S, 66.945° 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 12.7 km horizontally, 14.6 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 128°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.679 km SSW of Atocha, Bolivia · 1829 days ago · 213 km deep · 38 km away
- 4.255 km WSW of Atocha, Bolivia · 1794 days ago · 255 km deep · 47 km away
- 4.398 km SW of Atocha, Bolivia · 1786 days ago · 227 km deep · 22 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fe0c. Read Sat, Oct 3, 2026, 4:12 AM UTC.