 After affecting Taiwan and China , Rammasun began weakening due to an approaching trough , which turned the typhoon northeastward . It passed over the Japanese island of Miyako @-@ jima and also produced strong winds in Okinawa . About 10 @,@ 000 houses lost power on the island , and high surf killed two sailors . On the Japanese mainland , there was light crop damage and one serious injury . After weakening to a tropical storm , Rammasun passed just west of the South Korean island of Cheju @-@ do , killing one person from high waves . The storm crossed the country , killing three others and leaving $ 9 @.@ 5 million in damage . High rains also affected North Korea and Primorsky Krai in the Russian Far East . 
