M4.2 earthquake 77 km SW of Atocha, Bolivia
A magnitude 4.2 earthquake struck 77 km SW of Atocha, Bolivia on Tue, Dec 29, 2020, 2:27 AM GMT-4 (06:27 UTC), 255 km (159 mi) below the surface.
A larger quake followed: M4.5 93 km SSW of Uyuni, Bolivia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-12-29 06:27:54 UTC
- Depth
- 255.3 km (158.6 mi), intermediate-depth
- Epicenter
- 21.399° S, 66.778° 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 9.6 km horizontally, 8.4 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 63°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.134 km ESE of Uyuni, Bolivia · 2088 days ago · 249 km deep · 93 km away
- 4.0135 km SW of Atocha, Bolivia · 2078 days ago · 199 km deep · 60 km away
- 4.347 km WNW of Villazón, Bolivia · 2057 days ago · 263 km deep · 100 km away
- 4.593 km SSW of Uyuni, Bolivia · 2055 days ago · 198 km deep · 59 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000d3x7. Read Sat, Oct 3, 2026, 8:18 AM UTC.