2010 Copiapó mining accident 2010 Copiapó mining accident The 2010 Copiapó mining accident, also known then as the "Chilean mining accident", began on Thursday, 5 August 2010 with a cave-in at the San José copper–gold mine, located in the Atacama Desert north of the regional capital of Copiapó, in northern Chile. Thirty-three men, trapped underground and from the mine's entrance via spiraling underground ramps, were rescued after 69 days. After the state-owned mining company, Codelco, took over rescue efforts from the mine's owners, exploratory boreholes were drilled, and seventeen days after the accident a note was found taped to a drill bit pulled back
San José Mine Between 2003 and 2010, several mining accidents occurred in the mine, causing at least three deaths. In 2007, a geologist was killed in the mine, and led to its closure. It was reopened in May 2008 by SERNAGEOMIN – Servicio Nacional de Geología y Minería (National Geology and Mining Service). In July 2010, miner Gino Cortés lost one of his legs in an accident. Compañía Minera San Esteban () advised national authorities on 5 August 2010 that a collapse had occurred at 14:00 local time, and rescue efforts began the next day. National Emergencies Office of Chile reported that day