article: 2010 Pichilemu earthquakes
links: Sebastián Piñera Ecuador Rancagua Argentina Bolivia Nazca plate United States Geological Survey May 2 Pichilemu O'Higgins Region Canal 13 (Chile) Chile Santiago 2010 Maule Region Pacific Ocean Curicó South American plate Regions of Chile February 2010 Chile earthquake Paraguay Concepción Valparaíso Moment magnitude scale Agustín Ross Cultural Centre San Antonio, Chile