BEIJING/TAIPEI - A 5.6-magnitude earthquake occurred in the waters off Hualien county, Taiwan, at 11:17 p.m. Wednesday (Beijing Time), according to China Earthquake Networks Center (CENC).

The epicenter was located at 24.22 degrees north latitude and 121.71 degrees east longitude. It was measured at a depth of 8 km, according to the center.

Xinhua reporters in Taipei said they felt the tremor and saw buildings shaking.

Just 10 minutes later, another earthquake measuring 4.9 was reported by the CENC at roughly the same site.

Local authorities said four aftershocks had been monitored in the past hour. There have been no casualties reported.