M4.5 earthquake 91 km NNW of Constitución, Chile
A magnitude 4.5 earthquake struck 91 km NNW of Constitución, Chile on Fri, Sep 14, 2012, 9:50 PM GMT-3 (00:50 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M4.8 68 km SW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-09-15 00:50:45 UTC
- Depth
- 26.4 km (16.4 mi), shallow
- Epicenter
- 34.622° S, 72.923° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt (II) at Constitucion, Maule and Pelarco.
From the USGS event page for usp000jsba. 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
- 116°
- Stations used
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.558 km WNW of Santa Cruz, Chile · 5125 days ago · 60 km deep · 91 km away
- 4.3119 km NW of Constitución, Chile · 5117 days ago · 10 km deep · 41 km away
- 4.456 km W of Rauco, Chile · 5110 days ago · 60 km deep · 95 km away
- 4.259 km NNW of Constitución, Chile · 5110 days ago · 21 km deep · 33 km away
- 4.2135 km NW of Constitución, Chile · 5107 days ago · 14 km deep · 66 km away
- 4.694 km WSW of San Antonio, Chile · 5105 days ago · 32 km deep · 79 km away · felt by 3
- 4.789 km WSW of San Antonio, Chile · 5104 days ago · 35 km deep · 82 km away
- 4.293 km WSW of San Antonio, Chile · 5104 days ago · 43 km deep · 79 km away
- 4.577 km W of Santa Cruz, Chile · 5101 days ago · 15 km deep · 65 km away
- 4.249 km W of Santa Cruz, Chile · 5097 days ago · 43 km deep · 93 km away
- 4.868 km SW of San Antonio, Chile · 5073 days ago · 16 km deep · 99 km away · felt by 3
- 4.474 km SW of San Antonio, Chile · 5073 days ago · 38 km deep · 94 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jsba. Read Fri, Oct 2, 2026, 3:02 PM UTC.