M4.3 earthquake 43 km WNW of Rauco, Chile
A magnitude 4.3 earthquake struck 43 km WNW of Rauco, Chile on Fri, Nov 2, 2012, 8:42 PM GMT-3 (23:42 UTC), 60 km (37 mi) below the surface.
A larger quake followed: M4.8 51 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
- 4.3 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2012-11-02 23:42:36 UTC
- Depth
- 59.9 km (37.2 mi), shallow
- Epicenter
- 34.848° S, 71.789° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt (IV) at Curico, Duao, Hualane, Iloca, Lolol, Longavi and Romeral; (III) at Constitucion, Linares, Maule, Molina, Paredones, Pelarco, Pencahue, Pichilemu, San Clemente, San Fernando, San Javier, Santa Cruz, Talca and Villa Alegre; (II) at Colbun and Rancagua.
From the USGS event page for usp000juye. 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Nodal plane 1
- Strike 29°, dip 23°, rake 114°
- Nodal plane 2
- Strike 182°, dip 69°, rake 80°
How well it is located
Reviewed by a seismologist.
- Station coverage gap
- 109°
- Stations used
- 35
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 5 in the 30 days before it.
After
- 3.943 km NNW of Talca, Chile · 5058 days ago · 63 km deep · 22 km away
- 4.851 km SW of San Antonio, Chile · 5030 days ago · 12 km deep · 98 km away · felt by 10
- 3.86 km WNW of Rauco, Chile · 5025 days ago · 94 km deep · 37 km away
Before
- 4.249 km W of Santa Cruz, Chile · 5097 days ago · 43 km deep · 21 km away
- 4.577 km W of Santa Cruz, Chile · 5101 days ago · 15 km deep · 47 km away
- 4.149 km S of San Antonio, Chile · 5105 days ago · 33 km deep · 91 km away
- 4.259 km NNW of Constitución, Chile · 5110 days ago · 21 km deep · 83 km away
- 4.456 km W of Rauco, Chile · 5110 days ago · 60 km deep · 15 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000juye. Read Fri, Oct 2, 2026, 12:12 PM UTC.