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.

At least 32 people have been killed after a powerful earthquake struck a remote region of Tibet on Tuesday morning, according to Chinese state media, with tremors felt in neighboring Nepal and parts of northern India.