M4.2 earthquake 59 km NNW of Constitución, Chile
A magnitude 4.2 earthquake struck 59 km NNW of Constitución, Chile on Fri, Oct 5, 2012, 1:20 PM GMT-3 (16:20 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M4.7 89 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
- 4.2 (ML, local (Richter)), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-10-05 16:20:41 UTC
- Depth
- 20.5 km (12.7 mi), shallow
- Epicenter
- 34.855° S, 72.703° 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 Rancagua.
From the USGS event page for usp000jtkt. 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
- 161°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.2135 km NW of Constitución, Chile · 5107 days ago · 14 km deep · 88 km away
- 4.694 km WSW of San Antonio, Chile · 5104 days ago · 32 km deep · 97 km away · felt by 3
- 4.789 km WSW of San Antonio, Chile · 5104 days ago · 35 km deep · 98 km away
- 4.293 km WSW of San Antonio, Chile · 5104 days ago · 43 km deep · 96 km away
- 4.577 km W of Santa Cruz, Chile · 5101 days ago · 15 km deep · 53 km away
- 4.249 km W of Santa Cruz, Chile · 5097 days ago · 43 km deep · 75 km away
- 4.343 km WNW of Rauco, Chile · 5082 days ago · 60 km deep · 83 km away
- 3.943 km NNW of Talca, Chile · 5058 days ago · 63 km deep · 87 km away
- 4.339 km SW of Constitución, Chile · 5052 days ago · 15 km deep · 76 km away
Before
- 4.456 km W of Rauco, Chile · 5110 days ago · 60 km deep · 70 km away
- 4.3119 km NW of Constitución, Chile · 5117 days ago · 10 km deep · 67 km away
- 4.558 km WNW of Santa Cruz, Chile · 5125 days ago · 60 km deep · 83 km away
- 4.591 km NNW of Constitución, Chile · 5131 days ago · 26 km deep · 33 km away
- 4.778 km N of Constitución, Chile · 5131 days ago · 34 km deep · 27 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000jtkt. Read Fri, Oct 2, 2026, 1:04 PM UTC.