 Rough waves from Typhoon Etau produced rip currents on Saipan that swept up four swimmers , who were later rescued after holding onto a buoy . The outer periphery of the storm caused <unk> million ( PHP , $ 673 @,@ 000 USD ) in damage , mostly to infrastructure with some minor crop damage . Late in its duration , Etau caused damage in Russia 's Kuril Islands . 
