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.
Farmington Mine disaster noise and, knowing what it meant, headed to the mine, where they discovered a rapidly spreading fire with flames shooting 150 feet into the air. Within hours, 21 miners made it to the surface but 78 were still trapped underground. The fires continued to burn for over a week, and on November 29, rescuers finally admitted defeat after air samples from drill holes showed air unable to sustain human life. The mine was sealed on November 30 with concrete to starve the fire of oxygen. In September 1969, the mine was unsealed in an attempt to recover the miners' bodies.