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
Farmington Mine disaster noise and, knowing what it meant, headed to the mine, where they discovered a rapidly spreading fire with flames shooting 150 feet into the air. Within hours, 21 miners made it to the surface but 78 were still trapped underground. The fires continued to burn for over a week, and on November 29, rescuers finally admitted defeat after air samples from drill holes showed air unable to sustain human life. The mine was sealed on November 30 with concrete to starve the fire of oxygen. In September 1969, the mine was unsealed in an attempt to recover the miners' bodies.