More than 600 people have been trapped on the scenic Chike and Liushishi mountain areas due to closed roads, but work was underway to reopen the roads.

An estimated 7,000 households were reported without power in Yuli, and water pipes were also reportedly damaged.

The shaking was also felt at the north end of the island in the capital, Taipei. In Taoyuan city, west of Taipei and 210 kilometres north of the epicentre, a man was injured by a ceiling collapse on the 5th floor of a sports centre.