M5.1 earthquake 175 km WSW of Colchani, Bolivia
A magnitude 5.1 earthquake struck 175 km WSW of Colchani, Bolivia on Tue, Dec 28, 1982, 5:06 AM GMT-3 (08:06 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M6.0 168 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
- 5.1 (mb), moderate
- Local time
- UTC
- 1982-12-28 08:06:00 UTC
- Depth
- 117.0 km (72.7 mi), intermediate-depth
- Epicenter
- 20.710° S, 68.554° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.3149 km NE of Calama, Chile · 15980 days ago · 130 km deep · 92 km away
- 6.0168 km NNE of Calama, Chile · 15980 days ago · 118 km deep · 33 km away
- 4.7129 km ESE of Iquique, Chile · 15953 days ago · 133 km deep · 48 km away
- 5.3136 km SE of Iquique, Chile · 15942 days ago · 95 km deep · 89 km away
- 5.0116 km NNE of Calama, Chile · 15930 days ago · 133 km deep · 81 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001rts. Read Wed, Sep 30, 2026, 7:34 PM UTC.