Taiwan was struck by 12 undersea quakes, including a powerful one on the eastern part of the island, but no damage or casualties were reported so far, the earthquake centre said Thursday.
The first quake, measuring 5.9 on the Richter scale occurred at 2:28 am (1828 GMT), shaking the eastern county of Taitung. The second tremor struck 24 minutes later with a magnitude of 4.3 near Chengkung in Taitung, reported the dpa.
Ten other quakes, measuring more than 4 on the Richter scale, including one with a magnitude of 5.4 and another of 5.2, rocked the eastern county from 3:33 am (1933 GMT) to 9:04 am (0104 GMT), it said.
But there were no reports of damage or casualties, according to the centre and police.