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 been killed in the initial rockfall, but Webb and Russell were still alive, trapped in part of the vehicle in which they had been working at the time of the collapse, known as a teleloader or telehandler. They were in a basket at the end of the telehandler's arm, where they had been applying steel mesh to a barricade prior to backfilling a stope. It was initially misreported that the two miners were saved by a slab of rock that fell on top of the basket, but in a Channel 9 exclusive interview broadcast on 21 May, Webb and Russell