M4.6 earthquake 85 km NNW of Antofagasta, Chile
A magnitude 4.6 earthquake struck 85 km NNW of Antofagasta, Chile on Fri, Jul 13, 1973, 7:19 PM GMT-4 (23:19 UTC), 40 km (25 mi) below the surface.
A larger quake followed: M5.5 79 km S of Tocopilla, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-07-13 23:19:08 UTC
- Depth
- 40.0 km (24.9 mi), shallow
- Epicenter
- 22.901° S, 70.597° 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
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 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 usp00002q3. Read Fri, Oct 2, 2026, 2:02 AM UTC.