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
Vorkuta mine disaster million tons of coal and making up 27% of the company's output. On 25 February 2016, two explosions occurred within the mine, setting off a partial collapse of the mine and killing four miners while trapping twenty-six; eighty-one other miners were evacuated safely with minor injuries. The explosions, occurring about below ground and occurring about an hour apart during the afternoon, were believed to have been started by the ignition of a methane gas leak. Rescue efforts for the trapped miners began promptly, with at least 500 people involved. Efforts were hampered by Vorkuta's remote location within the Arctic Circle,