M3.6 earthquake 64 km ENE of Vallenar, Chile
A magnitude 3.6 earthquake struck 64 km ENE of Vallenar, Chile on Mon, May 7, 1973, 6:48 AM GMT-4 (10:48 UTC), 99 km (62 mi) below the surface.
A larger quake followed: M4.1 128 km SE of Copiapó, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.6 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-05-07 10:48:30 UTC
- Depth
- 99.0 km (61.5 mi), intermediate-depth
- Epicenter
- 28.452° S, 70.119° 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
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 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 usp00001r7. Read Thu, Oct 1, 2026, 11:31 AM UTC.