BEIJING, March 23 (Xinhua) -- A 6.6-magnitude earthquake jolted waters off Taidong County in Taiwan at 1:41 a.m. Wednesday, according to the China Earthquake Networks Center (CENC).

       The epicenter, with a depth of 20 km, was monitored at 23.45 degrees north latitude and 121.55 degrees east longitude, said the CENC.

       The center said that a 5.7-magnitude earthquake hit Hualien County at 1:43 a.m. Wednesday. The quake, monitored at 23.50 degrees north latitude and 121.40 degrees east longitude, was reported as 6.6-magnitude earlier.