An earthquake measuring 6.1 on the Richter scale hit Taiwan region at 11:00 p.m. local time (1500 GMT) on Sunday, according to the Hong Kong Observatory.

The epicenter was initially determined to be 21.0 degrees north latitude and 121.1 degrees east longitude, said the observatory in a bulletin.

According to the United States Geological Survey, the quake was centered 188 km south of T'ai-tung in Taiwan, at a depth of 10 km.