1. Aug. 5 A cave-in leaves 33 miners trapped 700 meters vertically in a small copper-and-gold mine near the northern Chilean city of Copiapo, 800 km, north of Santiago. The…
The Beaconsfield Mine Disaster Disaster strikes Tuesday April 25. 9.23pm: An earthquake measuring 2.1 on the Richter scale triggers a rockfall 925 meters below ground at…