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
Timeline of relief efforts after the 2010 Chile earthquake Timeline of relief efforts after the 2010 Chile earthquake The timeline of relief efforts after the 2010 Chile earthquake of 27 February 2010 involves the sequence of events in the days following a highly destructive 8.8 earthquake with an epicentre just offshore of the Maule Region, see Maule, Chile. Chile asks that foreign aid be delayed until Chile can complete an initial survey of affected areas. On Robinson Crusoe Island, 12-year-old Martina Maturana warned her neighbours and saved them from the tsunami. Approximately one hour after the earthquake, teenagers in Dichato, Chile, lounging on the beach observed the sea roll