Rio Tinto Mine in Mongolia Struck by Earthquake, No Fatalities

03:21 AM EDT, 10/30/2026 (MT Newswires) -- Rio Tinto (RIO) said Friday that seismic activity occurred along a rock fault zone at its Oyu Tolgoi mine in Mongolia on Thursday, resulting in no fatalities, but injuring three employees. Underground operations are paused at the facility, pending a completion of a safety review, Rio Tinto said.