Ma-on was one of the most powerful storms to strike eastern Japan over the last ten years, along with Faxai. The highest wind gust reported was 151 mph/67.6 m/s in Irōzaki late on the 9th. The lowest pressure was also recorded at Irōzaki; 964 mb late on the 9th. The typhoon left at least six people dead, and three persons were reported missing. Plane, train and ferry services nationwide were disrupted, stranding thousands of travellers. Heavy downpours also disrupted practice and qualifying sessions for Formula One's Japanese Grand Prix in Suzuka, with the event featuring qualifying and the race in a single day as a result. The highest storm total amount was noted at Omaezaki, where a 413 mm deluge was seen between late on the 6th and 9th, with 360 mm falling in a 24‑hour period. Rescuers on boats plucked dozens of residents from waterlogged homes in Shizuoka Prefecture. Damages from the storm amounted to $603 million (2004 USD).