Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. China is one of the countries most affected by natural disasters. It had 6 of the world''s top 10 deadliest natural disasters; the top 3 occurred in China: the 1931 China floods, death toll 2 million to 4 million, the 1887 Yellow River flood, death toll 0.9 million to 2 million, and the 1556 Shaanxi earthquake, death toll 0.83 million. "Natural disasters occur frequently in China, affecting more than 200 million people every year. They have become an important restricting factor for economic and social development." In the course of recorded history, many types of natural disasters except volcano eruptions have occurred in China, which include floods, droughts, meteorological, seismic, geological, maritime and ecological disasters as well as forestry and grassland fires.