M4.1 earthquake 81 km WSW of San Antonio, Chile
A magnitude 4.1 earthquake struck 81 km WSW of San Antonio, Chile on Tue, Apr 17, 2012, 2:53 PM GMT-3 (17:53 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M4.7 33 km WSW of Santa Cruz, 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
- 2012-04-17 17:53:57 UTC
- Depth
- 10.6 km (6.6 mi), shallow
- Epicenter
- 33.998° S, 72.342° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
no people dead or missing; no people injured; no buildings damaged or destroyed
From the USGS event page for usp000jj4x. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 122°
- Stations used
- 25
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
- 4.733 km WSW of Santa Cruz, Chile · 5270 days ago · 43 km deep · 99 km away · felt by 4
- 4.557 km NW of Santa Cruz, Chile · 5236 days ago · 20 km deep · 60 km away
- 4.159 km NNW of Constitución, Chile · 5220 days ago · 30 km deep · 99 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jj4x. Read Thu, Oct 1, 2026, 4:18 PM UTC.