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.
2008 Ukraine coal mine collapse 2008 Ukraine coal mine collapse The 2008 Ukrainian coal mine collapse occurred at the Karl Marx Coal Mine in the city of Yenakiieve, Donetsk Oblast (province) of eastern Ukraine on June 8, 2008. The mine collapse was said to have been caused by a gas pipe explosion. The explosion occurred at a depth of about . 37 miners were trapped underground at the time of the collapse, located below the surface of the earth. Additionally, five surface workers suffered from burns and other injuries in a blast that they described as one of the most powerful in the industry. The