M4.0 earthquake 71 km W of Cartagena, Chile
A magnitude 4.0 earthquake struck 71 km W of Cartagena, Chile on Fri, Mar 16, 2012, 10:35 PM GMT-3 (01:35 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M5.0 110 km WSW of San Antonio, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-03-17 01:35:59 UTC
- Depth
- 21.2 km (13.2 mi), shallow
- Epicenter
- 33.480° S, 72.372° 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 usp000jgc9. 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.
- Depth from
- FROM_LOCATION
- Station coverage gap
- 152°
- Stations used
- 18
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 2 in the 30 days before it.
After
- 5.0110 km WSW of San Antonio, Chile · 5296 days ago · 32 km deep · 54 km away · felt by 8
- 4.181 km WSW of San Antonio, Chile · 5281 days ago · 11 km deep · 58 km away
- 4.327 km WNW of Valparaíso, Chile · 5257 days ago · 13 km deep · 79 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jgc9. Read Sat, Oct 3, 2026, 3:32 AM UTC.