M4.1 earthquake 159 km WSW of Colchani, Bolivia
A magnitude 4.1 earthquake struck 159 km WSW of Colchani, Bolivia on Tue, Feb 16, 2021, 12:49 AM GMT-3 (03:49 UTC), 165 km (102 mi) below the surface.
A larger quake followed: M4.5 150 km N of Calama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-16 03:49:32 UTC
- Depth
- 164.8 km (102.4 mi), intermediate-depth
- Epicenter
- 20.797° S, 68.370° 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 9.1 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 102°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3144 km N of Calama, Chile · 2050 days ago · 131 km deep · 59 km away · felt by 2
- 4.5150 km N of Calama, Chile · 2050 days ago · 145 km deep · 48 km away · felt by 1
- 4.2106 km E of Iquique, Chile · 2044 days ago · 108 km deep · 94 km away · felt by 4
- 4.2119 km SE of Iquique, Chile · 2009 days ago · 84 km deep · 97 km away · felt by 2
- 3.9151 km N of Calama, Chile · 2005 days ago · 120 km deep · 70 km away · felt by 1
- 4.5144 km SW of Uyuni, Bolivia · 2000 days ago · 176 km deep · 60 km away · felt by 1
- 4.3142 km N of Calama, Chile · 1997 days ago · 137 km deep · 56 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dhyh. Read Fri, Oct 2, 2026, 2:01 PM UTC.