M4.4 earthquake 26 km SW of La Ligua, Chile
A magnitude 4.4 earthquake struck 26 km SW of La Ligua, Chile on Sun, Mar 4, 1973, 6:09 PM GMT-3 (21:09 UTC), 50 km (31 mi) below the surface.
A larger quake followed: M4.7 84 km W of La Ligua, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-03-04 21:09:21 UTC
- Depth
- 50.0 km (31.1 mi), shallow
- Epicenter
- 32.584° S, 71.462° 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 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.784 km W of La Ligua, Chile · 19540 days ago · 32 km deep · 66 km away
- 4.16 km SSW of Quilpué, Chile · 19539 days ago · 62 km deep · 58 km away
- 4.53 km SSE of Lampa, Chile · 19521 days ago · 50 km deep · 99 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00000tw. Read Fri, Oct 2, 2026, 4:14 AM UTC.