San José Mine San José Mine The San José Mine () is a small copper-gold mine located near Copiapó, Atacama Region, Chile. The mine became known internationally for its collapse in 2010, which trapped 33 miners underground. Its workings are reached by a long sloping roadway with many spiral turns (a diagram shows ten turns), not by a vertical mineshaft. The San José Mine is located 45 kilometers northwest of Copiapó. The mine began operations in 1889. In 1957, Jorge Kemeny Letay, a Hungarian immigrant founded the San Esteban Mining Company (). According to Terra, the mine's annual sales surpassed 20 million dollars.
2018 Shandong mine collapse 2018 Shandong mine collapse A rock burst destroyed part of a mining tunnel on 20 October 2018 in the Shandong province in China. A rock burst destroyed part of a mining tunnel, in a spontaneous fracture of the rock, while 334 miners were working in the mine. The collapse took place around 11:00 pm local time and destroyed part of a water drainage tunnel, and two people were initially killed by the falling rocks. Most of the workers managed to escape, but 18 workers were trapped underground. Ventilation was returned quickly to around 200 metres of the damaged tunnel. On