M4.2 earthquake 108 km SW of Uyuni, Bolivia
A magnitude 4.2 earthquake struck 108 km SW of Uyuni, Bolivia on Wed, Sep 12, 2018, 4:47 PM GMT-4 (20:47 UTC), 187 km (116 mi) below the surface.
A larger quake followed: M4.6 117 km NE 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-09-12 20:47:11 UTC
- Depth
- 186.6 km (116.0 mi), intermediate-depth
- Epicenter
- 21.102° S, 67.612° W
- Region
- Bolivia
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 8.5 km horizontally, 15.0 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 95°
- Stations used
- 32
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 1 in the 30 days before it.
After
- 4.3157 km NNE of Calama, Chile · 2935 days ago · 136 km deep · 99 km away
- 4.3121 km SSW of Uyuni, Bolivia · 2929 days ago · 198 km deep · 47 km away
- 4.4169 km NNE of Calama, Chile · 2928 days ago · 115 km deep · 87 km away
- 4.5119 km NNE of Calama, Chile · 2928 days ago · 115 km deep · 92 km away
- 4.6117 km NE of Calama, Chile · 2926 days ago · 115 km deep · 87 km away
- 4.682 km SW of Uyuni, Bolivia · 2923 days ago · 171 km deep · 34 km away
- 4.160 km SSW of Uyuni, Bolivia · 2894 days ago · 240 km deep · 66 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000hdmx. Read Fri, Oct 2, 2026, 4:36 AM UTC.