M4.6 earthquake 58 km NNE of Constitución, Chile
A magnitude 4.6 earthquake struck 58 km NNE of Constitución, Chile on Tue, Aug 30, 2011, 8:41 PM GMT-3 (23:41 UTC), 36 km (22 mi) below the surface.
A larger quake followed: M5.0 91 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2011-08-30 23:41:28 UTC
- Depth
- 35.5 km (22.1 mi), shallow
- Epicenter
- 34.822° S, 72.257° 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 Constitucion, Curico and Pencahue; (III) at Cauquenes, Hualane, Iloca, Linares, Parral, Pelarco, Rio Claro, Talca and Yerbas Buenas; (II) at Rancagua, Romeral, San Clemente, San Javier and Villa Alegre.
From the USGS event page for usp000j79m. 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
- 66°
- Stations used
- 71
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.091 km SW of San Antonio, Chile · 5504 days ago · 23 km deep · 74 km away · felt by 28
- 4.293 km WNW of Santa Cruz, Chile · 5497 days ago · 15 km deep · 64 km away
- 4.220 km W of Rauco, Chile · 5494 days ago · 61 km deep · 67 km away
- 4.733 km NNW of Constitución, Chile · 5470 days ago · 20 km deep · 42 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000j79m. Read Mon, Oct 5, 2026, 12:49 PM UTC.