M4.3 earthquake 157 km SW of Uyuni, Bolivia
A magnitude 4.3 earthquake struck 157 km SW of Uyuni, Bolivia on Wed, Jul 23, 1986, 7:06 AM GMT-4 (11:06 UTC), 147 km (91 mi) below the surface.
A larger quake followed: M4.7 162 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
- 4.3 (mb), light
- Local time
- UTC
- 1986-07-23 11:06:55 UTC
- Depth
- 146.6 km (91.1 mi), intermediate-depth
- Epicenter
- 21.292° S, 68.048° 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.
- Depth from
- FROM_LOCATION
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 0 in the 30 days before it.
After
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002we0. Read Wed, Sep 30, 2026, 9:53 AM UTC.