M4.3 earthquake 45 km NW of La Ligua, Chile
A magnitude 4.3 earthquake struck 45 km NW of La Ligua, Chile on Tue, Apr 30, 1985, 6:03 AM GMT-4 (10:03 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 32 km NW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1985-04-30 10:03:11 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 32.175° S, 71.581° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.832 km NW of Valparaíso, Chile · 15113 days ago · 46 km deep · 73 km away
- 4.723 km NNW of Llaillay, Chile · 15107 days ago · 55 km deep · 73 km away
- 4.543 km NW of Valparaíso, Chile · 15093 days ago · 33 km deep · 72 km away
- 5.550 km NNW of Valparaíso, Chile · 15078 days ago · 33 km deep · 57 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002eae. Read Tue, Sep 22, 2026, 3:33 PM UTC.