M4.6 earthquake 98 km WSW of Colchani, Bolivia
A magnitude 4.6 earthquake struck 98 km WSW of Colchani, Bolivia on Thu, Apr 2, 2015, 9:58 PM GMT-4 (01:58 UTC), 159 km (99 mi) below the surface.
A larger quake followed: M5.2 155 km NNE 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
- 4.6 (mb), light
- Local time
- UTC
- 2015-04-03 01:58:59 UTC
- Depth
- 159.2 km (98.9 mi), intermediate-depth
- Epicenter
- 20.779° S, 67.727° W
- Region
- Bolivia
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.1 km horizontally, 6.0 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- FROM_LOCATION
- Station coverage gap
- 64°
- Stations used
- 83
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.2155 km NNE of Calama, Chile · 4187 days ago · 122 km deep · 99 km away · felt by 2
- 4.2122 km WSW of Atocha, Bolivia · 4164 days ago · 186 km deep · 100 km away
- 4.0107 km SW of Uyuni, Bolivia · 4145 days ago · 195 km deep · 33 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10001th6. Read Tue, Sep 29, 2026, 10:40 PM UTC.