M4.3 earthquake 131 km WSW of Colchani, Bolivia
A magnitude 4.3 earthquake struck 131 km WSW of Colchani, Bolivia on Sun, Jan 21, 2018, 5:40 AM GMT-3 (08:40 UTC), 211 km (131 mi) below the surface.
A larger quake followed: M5.1 167 km E of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-21 08:40:32 UTC
- Depth
- 211.2 km (131.3 mi), intermediate-depth
- Epicenter
- 20.743° S, 68.101° 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 5.1 km horizontally, 9.9 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 31°
- Stations used
- 50
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5152 km N of Calama, Chile · 3163 days ago · 146 km deep · 79 km away
- 4.1125 km NNE of Calama, Chile · 3141 days ago · 134 km deep · 85 km away
- 5.1167 km E of Iquique, Chile · 3133 days ago · 121 km deep · 60 km away · felt by 2
- 4.6138 km SW of Uyuni, Bolivia · 3122 days ago · 169 km deep · 53 km away
- 4.5118 km N of Calama, Chile · 3115 days ago · 117 km deep · 97 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cm33. Read Thu, Oct 1, 2026, 8:01 AM UTC.