M4.3 earthquake 119 km NW of Constitución, Chile
A magnitude 4.3 earthquake struck 119 km NW of Constitución, Chile on Fri, Sep 28, 2012, 4:21 PM GMT-3 (19:21 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.8 138 km W of Constitución, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-09-28 19:21:46 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 34.603° S, 73.369° 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 usp000jt6f. 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
- OPERATOR_ASSIGNED
- Station coverage gap
- 154°
- Stations used
- 14
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
- 4.259 km NNW of Constitución, Chile · 5110 days ago · 21 km deep · 67 km away
- 4.2135 km NW of Constitución, Chile · 5107 days ago · 14 km deep · 25 km away
- 4.8138 km W of Constitución, Chile · 5101 days ago · 21 km deep · 94 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jt6f. Read Fri, Oct 2, 2026, 3:02 PM UTC.