One landslide happened about 5 p.m. local time (5 a.m. ET) in Sucun village in Suichang County. Twenty-six residents are missing, Xinhua reported.
Another landslide took place in Baofeng village in Wencheng County. Six people went missing when a landslide buried their homes, Xinhua said.
Megi made landfall earlier Wednesday in mainland China's Fujian province, less than 24 hours after it devastated Taiwan.
Four people died and at least 524 were injured in Taiwan after the powerful storm slammed into the island's northeastern coastline Tuesday afternoon.