M5.4 earthquake 171 km WSW of Colchani, Bolivia
A magnitude 5.4 earthquake struck 171 km WSW of Colchani, Bolivia on Sat, Jun 18, 1977, 12:49 PM GMT-4 (16:49 UTC), 131 km (81 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-06-18 16:49:40 UTC
- Depth
- 131.0 km (81.4 mi), intermediate-depth
- Epicenter
- 20.892° S, 68.451° W
- Region
- Bolivia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.4 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.8 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.8 | Mwc, centroid moment | Global CMT project | Preliminary |
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
- Stations used
- 179
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.6158 km W of Colchani, Bolivia · 18000 days ago · 114 km deep · 85 km away
- 4.8135 km NE of Calama, Chile · 17993 days ago · 101 km deep · 73 km away
- 4.6160 km N of Calama, Chile · 17944 days ago · 100 km deep · 25 km away
Before
Earthquakes todayBolivia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000pc1 (also filed as gcmtb061877a, gcmt19770618164940, iscgem697434). Read Fri, Oct 2, 2026, 5:12 AM UTC.