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
Centre for Research on the Epidemiology of Disasters relief personnel and health professionals in the management of short- and long-term humanitarian emergencies. CRED’s research focuses on humanitarian and emergency situations with major impacts on human health. These include all types of natural disasters such as earthquakes, floods, windstorms, famines and droughts; and human induced disasters creating mass displacement of people from civil strife and conflicts. CRED focuses on health aspects and the burden of disease arising from disasters and complex emergencies. CRED also promotes research on the broader aspects of humanitarian crises, such as human rights and humanitarian law, socio-economic and environmental issues, early warning systems, mental health