China's Ministry of Emergency Management on Thursday activated a Level-IV emergency response for flood control and typhoon prevention in the provinces of Zhejiang and Fujian provinces, with the possibility of upgrading the emergency response in accordance with the development of the typhoon.According to meteorological forecasts, the center of Super Typhoon Bavi was located over waters about 1,490 kilometers south-east of Keelung, Taiwan, on Wednesday.The typhoon is forecast to move westward before turning northwestward at a speed of around 15 to 20 km per hour, and may make landfall along the coast between Fuqing in Fujian Province and Wenling in Zhejiang Province on Saturday, as a strong typhoon.China has a four-tier emergency response system, with Level I being the most severe.