The buried men , who became known as `` Los 33 '' ( `` The 33 '' ) , were trapped 700 meters ( 2,300 ft ) underground and about 5 kilometers ( 3 mi ) from the mine 's entrance via spiraling underground service ramps .
The miners were trapped at about 700 metres ( 2,300 ft ) deep and about 5 kilometres ( 3 mi ) from the entrance of the mine .