BEIJING — A strong earthquake shook a high-altitude region of southwestern 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.

A powerful magnitude 7.1 earthquake has struck Tibet, reportedly killing at least 95 on the Chinese side of the border and damaging more than 1,000 homes.

More than 120 people have been killed after a powerful earthquake struck a remote region of Tibet on Tuesday morning, with tremors felt across the Himalayas in neighboring Nepal, Bhutan and parts of northern India.