BEIJING, Dec. 8 (Xinhua) -- A 5.1-magnitude earthquake jolted the waters off Hualien County, Taiwan, at 7:24 p.m. Monday, according to the China Earthquake Networks Center (CENC).

The epicenter was monitored at 23.78 degrees north latitude and 121.70 degrees east longitude. The earthquake struck at a depth of 20 km, the center said. ■