M4.5 earthquake 43 km WNW of La Ligua, Chile
A magnitude 4.5 earthquake struck 43 km WNW of La Ligua, Chile on Mon, Oct 22, 1984, 1:30 AM GMT-3 (04:30 UTC), 54 km (33 mi) below the surface.
A larger quake followed: M4.6 79 km WNW 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
- 4.5 (mb), light
- Local time
- UTC
- 1984-10-22 04:30:54 UTC
- Depth
- 53.9 km (33.5 mi), shallow
- Epicenter
- 32.328° S, 71.665° 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.
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
- 4.679 km WNW of Valparaíso, Chile · 15303 days ago · 33 km deep · 76 km away
- 5.156 km WNW of La Ligua, Chile · 15283 days ago · 42 km deep · 14 km away
- 4.420 km WSW of La Ligua, Chile · 15267 days ago · 54 km deep · 34 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00028cq. Read Tue, Sep 22, 2026, 11:23 AM UTC.