Natural disasters in China water-diversification projects to channel excess water from the Chang Jiang to arid northern regions. China had 3 of the top 10 world's most fatal earthquakes, including the 1556 Shaanxi earthquake that reportedly killed more than 830,000 people, listed as the deadliest earthquakes of all times and the third deadliest natural disaster. The 1976 Tangshan earthquake, with death toll estimated to be between 242,419 and 779,000, is ranked the third deadliest earthquake of all times, and 8th deadliest natural disaster. The 1920 Haiyuan earthquake killed 200,000 to 240,000, ranked the fourth deadliest earthquake and 9th deadliest of all natural disasters. The
2007 Tabasco flood source of Income in the state. The loss will have its greatest impact for the more than 30,000 families who earn their living in the production of cocoa, Carrasco said, adding that before the flood, farmers were grappling with a plague of fungus. "The situation is extraordinarily serious: This is one of the worst natural disasters in the history of the country" said President Felipe Calderón in a televised address on the night of 1 November 2007. The Tabasco flood caused the loss of thousands of books from the Villahermosa central library and 78 other libraries from five different municipalities.