M4.7 earthquake 148 km SE of Antofagasta, Chile
A magnitude 4.7 earthquake struck 148 km SE of Antofagasta, Chile on Mon, Aug 21, 1978, 9:34 PM GMT-4 (01:34 UTC), 82 km (51 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1978-08-22 01:34:05 UTC
- Depth
- 82.0 km (51.0 mi), intermediate-depth
- Epicenter
- 24.562° S, 69.323° 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 1.7 and up: 1 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 usp0000w5d. Read Thu, Oct 1, 2026, 2:09 AM UTC.