Rio Tinto pauses Oyu Tolgoi underground operations after seismic event
RIO•Rio Tinto paused underground operations at Oyu Tolgoi in Mongolia pending a safety review after seismic activity on October 29. Three employees were injured; there were no fatalities.
1. Operations paused
Underground operations at Oyu Tolgoi are paused pending a safety review after seismic activity along a rock fault zone at approximately 18:00 local time on October 29 caused underground ground vibration. Three employees sustained injuries, and there were no fatalities.
