World's deadliest natural disasters that wiped away an entire population

China Floods Year - 1931 Death Toll - 4,000,000

Yellow River Flood, China Year - 1887 Death Toll - 2,000,000

Tangshan Earthquake, China Year - 1976 Death Toll - 655,000

Bhola Cyclone, Bangladesh Year - 1970 Death Toll - 500,000

Haiti Earthquake Year - 2010 Death Toll - 316,000

Antioch Earthquake, Byzantine Empire, Turkey Year - 526 Death Toll - 300,000

Coringa Cyclone, Andhra Pradesh, India Year - 1839 Death Toll - 300,000

Calcutta Cyclone, Bengal, India Year - 1737 Death Toll - 300,000

Ganja Earthquake, Azerbaijan Year - 1139 Death Toll - 300,000

Haiyuan Earthquake, China Year - 1920 Death Toll - 273,400