M4.1 earthquake 6 km SSW of Quilpué, Chile
A magnitude 4.1 earthquake struck 6 km SSW of Quilpué, Chile on Wed, Apr 4, 1973, 12:14 AM GMT-4 (04:14 UTC), 62 km (39 mi) below the surface.
A larger quake followed: M4.5 3 km SSE of Lampa, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-04-04 04:14:17 UTC
- Depth
- 62.0 km (38.5 mi), shallow
- Epicenter
- 33.103° S, 71.470° 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 usp000017j. Read Sat, Oct 3, 2026, 5:12 AM UTC.