Officials said the quake was the strongest to shake the island in decades, and warned of more tremors in the days ahead. Wednesday's magnitude-7.4 quake hit just before 8:00 am local time (0000 GMT), with the United States Geological Survey (USGS) putting the epicenter 18 kilometers (11 miles) south of Taiwan's Hualien City, at a depth of 34.8 kilometers.
