M4.1 earthquake 74 km W of Valparaíso, Chile
A magnitude 4.1 earthquake struck 74 km W of Valparaíso, Chile on Thu, Dec 5, 1985, 1:40 PM GMT-3 (16:40 UTC), 22 km (13 mi) below the surface.
A larger quake followed: M4.8 16 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
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1985-12-05 16:40:31 UTC
- Depth
- 21.5 km (13.4 mi), shallow
- Epicenter
- 33.161° S, 72.410° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.816 km NW of Valparaíso, Chile · 14907 days ago · 82 km deep · 69 km away
- 4.456 km WNW of Valparaíso, Chile · 14903 days ago · 33 km deep · 35 km away
- 4.682 km WNW of Valparaíso, Chile · 14891 days ago · 33 km deep · 40 km away
- 4.826 km W of Valparaíso, Chile · 14888 days ago · 49 km deep · 49 km away
- 4.391 km W of Cartagena, Chile · 14884 days ago · 33 km deep · 46 km away
- 4.584 km WSW of San Antonio, Chile · 14883 days ago · 33 km deep · 76 km away
- 4.352 km NW of Valparaíso, Chile · 14873 days ago · 33 km deep · 62 km away
- 4.577 km W of San Antonio, Chile · 14853 days ago · 18 km deep · 47 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002njy. Read Sun, Oct 4, 2026, 7:43 PM UTC.