M4.6 earthquake 160 km N of Calama, Chile
A magnitude 4.6 earthquake struck 160 km N of Calama, Chile on Mon, Aug 15, 1977, 8:53 PM GMT-4 (00:53 UTC), 100 km (62 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
- 4.6 (mb), light
- Local time
- UTC
- 1977-08-16 00:53:42 UTC
- Depth
- 100.0 km (62.1 mi), intermediate-depth
- Epicenter
- 21.033° S, 68.636° 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
- 12
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 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000q45. Read Tue, Sep 22, 2026, 4:01 PM UTC.