M5.1 earthquake 95 km ENE of Calama, Chile
A magnitude 5.1 earthquake struck 95 km ENE of Calama, Chile on Thu, Aug 18, 1977, 11:26 PM GMT-4 (03:26 UTC), 138 km (86 mi) below the surface.
A larger quake followed: M5.2 145 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, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-08-19 03:26:28 UTC
- Depth
- 138.0 km (85.7 mi), intermediate-depth
- Epicenter
- 22.003° S, 68.138° W
- Region
- Chile
- 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.
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.2145 km NNE of Calama, Chile · 17937 days ago · 99 km deep · 77 km away
- 4.853 km NNW of San Pedro de Atacama, Chile · 17916 days ago · 111 km deep · 54 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000q5w. Read Fri, Oct 2, 2026, 1:18 PM UTC.