 This paper proposes a new approach for studying the evolution of disasters by analyzing big scholar and social news data with disaster-related keywords, constructing a complex network of all defined disaster types and intelligently extracting the unique disaster chain of a specific disaster type. The proposed method is robust and has great potential to be applied in disaster management domain to find more secrets about disasters. This article was authored by Liang Sheng, Fei Wang, Xiao Tzu-Hsing, and others.