BEIJING — A strong earthquake shook a high-altitude region of western China and areas of Nepal on Tuesday, damaging hundreds of houses, littering streets with rubble and killing at least 126 people in Tibet. Many others were trapped as dozens of aftershocks shook the remote region.

Chinese state media said at least 93 people had died in the 7.1-magnitude quake, which was felt in neighboring Nepal.

A major earthquake struck near a holy city in China’s Tibet region on Tuesday, killing at least 126 people and injuring more than 150 while damaging thousands of buildings, the state-run Xinhua News Agency reported.