Authorities moved more than 45,000 people in earthquake-hit Tibet to shelters in a massive rescue operation at the foot of the Himalayas as they wound down the search in a high-altitude environment where the odds of survival were always slim.

HONG KONG — A 7.1-magnitude earthquake struck near one of Tibet ’s holiest cities Tuesday, killing at least 126 people, Chinese state media reported. The earthquake, which was recorded just after 9 a.m. (8 p.m. ET Monday), was centered at a depth of nearly 6 miles, according to the U.S. Geological Survey.