M3.3 earthquake 206 km W of San Antonio, Chile
A magnitude 3.3 earthquake struck 206 km W of San Antonio, Chile on Thu, Mar 7, 1985, 2:19 PM GMT-3 (17:19 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.6 180 km W 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
- 3.3 (mb), minor
- Local time
- UTC
- 1985-03-07 17:19:25 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 33.624° S, 73.830° 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 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 usp0002cjr. Read Tue, Sep 22, 2026, 10:25 PM UTC.