 While Etau was in the vicinity of Okinawa , wind gusts at Kadena Air Base reached 181 km / h ( 113 mph ) . Rainfall on Okinawa peaked at 215 mm ( 8 @.@ 5 in ) , while on nearby Yakushima to the north , rainfall reached 57 mm ( 2 @.@ 2 in ) . Throughout Okinawa prefecture , the typhoon left 166 @,@ 800 buildings without power due to the strong winds . Etau damaged seven buildings , blocked one road , and caused moderate damage to crops and fisheries . In the Amami Islands , about 45 @,@ 000 houses , lost power due to high winds from the storm , affecting 53 % of residents . Etau injured ten people in the island group , including one man who was blown off his roof . Officials closed the Naha Airport due to the typhoon , causing 293 flights in the region to be canceled . Ahead of the storm , ExxonMobil oil refineries in Okinawa were closed , but were reopened after sustaining minimal damage . 
