The US Geological Survey reported of a strong 6.1 magnitude earthquake striking Taiwan's east coast 17 km (10 miles) northeast of Hua-lien.
The agency stated the quake took place at a depth of 7.8 km.
However, according to information from the China Earthquake Networks Center, the tremors were of lesser magnitude — about 5.6.
No tsunami warning has been issued so far, as well as no information about possible casualties or damages reported.