A 6.8 magnitude earthquake hit the sparsely populated southeastern part of Taiwan on Sunday, the island's weather bureau said, derailing train carriages and causing a convenience store to collapse.
The weather bureau said the epicenter was in Taitung county, and followed a 6.4 magnitude temblor on Saturday evening in the same area, which caused no casualties.
Taiwan's fire department said two people were trapped in a building housing a convenience store that collapsed in Yuli and two people had been rescued, while three people whose vehicle fell off a damaged bridge were rescued and taken to hospital.
The Taiwan Railways Administration said three carriages came off the rails at Dongli station in eastern Taiwan after part of the platform canopy collapsed. The fire department said one person was injured.
Buildings shook briefly in the capital Taipei.