M4.6 earthquake 43 km S of Tocopilla, Chile
A magnitude 4.6 earthquake struck 43 km S of Tocopilla, Chile on Wed, Jun 6, 1973, 3:42 AM GMT-4 (07:42 UTC), 59 km (37 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), light
- Local time
- UTC
- 1973-06-06 07:42:20 UTC
- Depth
- 59.0 km (36.7 mi), shallow
- Epicenter
- 22.481° S, 70.163° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.685 km NNW of Antofagasta, Chile · 19434 days ago · 40 km deep · 65 km away
- 5.579 km S of Tocopilla, Chile · 19412 days ago · 43 km deep · 37 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000021t. Read Sun, Sep 27, 2026, 4:01 PM UTC.