2010 Copiapó mining accident San Jose Mine were around 20% higher than at other Chilean mines due to its poor safety record. The collapse occurred at 14:00 CLT on 5 August 2010. Access to the depths of the mine was by a long helical roadway. A group nearer the entrance escaped, but a second group of 33 men were trapped deep inside. A thick dust cloud caused by the rock fall blinded the miners for as much as six hours. Initially, the trapped miners tried to escape through ventilation shafts, but the ladders required by safety codes were missing. Luis Urzúa, the duty shift
Beaconsfield Mine collapse request to have the band's music sent down on MP3 players, he issued a personal message via fax to them indicating he would meet them for a beer. Following a meeting the Australian Workers' Union held with the miners from Beaconsfield on 15 May, they reported that no miner could be found who had been given workplace safety training, miners were unhappy with reductions in the amount of cement used to close in exploited parts of the mine, supports had been removed from lower parts of the mine, and mesh intended to prevent rock collapse was known to be ineffective.