1934 Muroto typhoon
…of breakwaters and embankments alleviated flood risks in coastal communities, reducing the risk of life from roughly 10−3 to 10−7 by the time of Typhoon Nancy in 1961. Before the onset of World War II, total anti-flood construction in Osaka spanned 36.68 km (22.79 mi); this included 16.52 km (10.27 mi) along…