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1931 China floods

1931 China floods
Bundesarchiv Bild 102-12231, China, Überschwemmungsopfer.jpg
Victims of the flooding in August 1931
Date July–November 1931 (depending on river)
Location Yellow River, Yangtze River, Huai River
Deaths 145,000–4,000,000

The 1931 China floods or the 1931 Yellow River floods were a series of devastating floods that occurred in the Republic of China. The floods are generally considered among the deadliest natural disasters ever recorded, and almost certainly the deadliest of the 20th century (when pandemics and famines are discounted). Estimates of the total death toll range from 145,000 to between 3.7 million and 4 million.

From 1928 to 1930, a long drought afflicted China. By some accounts, abnormal weather over central China began in the winter of late 1930. Heavy snowstorms in the winter were followed by a spring thaw and heavy rains that raised river levels significantly. The rain grew heavier in July and August 1931. 1931 was also characterized by extreme cyclone activity—in July of that year alone, nine cyclones hit the region, whereas on average only two occur per year.

Chinese sources usually indicate the death toll of the Yangtze River overflow at about 145,000, with flood damage affecting around 28.5 million, while most Western sources give a far higher death toll of between 3.7 and 4 million people.

The worst period of flooding was from July to August 1931. In July alone, four weather stations along the Yangtze River reported rain totaling over 600 mm (24 in) for the month.

The Yangtze and Huai River floods soon reached Nanjing, the capital of China at the time. The city, located on an island in a massive flood zone, suffered catastrophic damage. Millions died of drowning while some died from starvation or from waterborne diseases such as cholera and typhus. Wives and daughters were sold by desperate residents, and cases of infanticide and even cannibalism were reported in stark details to the government. Some of the areas affected included Hubei, Hunan, Jiangxi, Wuhan, and Chongqing. The high-water mark was reached on 19 August at Hankou town in Wuhan, with the water level exceeding 53 ft (16 m) above normal. Comparatively, this is an average of 5.6 ft (1.7 m) above the Shanghai Bund. On the evening of 25 August 1931, the water rushing through the Grand Canal washed away dikes near Gaoyou Lake. Some 200,000 people drowned in their sleep in the resulting deluge.


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