The 2006 Copiapó mining accident occurred on January 20 , 2006 , when an explosion occurred in the underground Carola-Agustina copper mine in Copiapó , Chile after two trucks collided , covering the only escape route for the miners inside the mine .
On January 20 , 2006 , an explosion occurred in the underground copper mine of Carola-Agustina in Copiapó , Chile , shortly after two trucks collided , covering the only escape route for the miners inside the mine .