Abstract:

Based on the disaster data of Wenchuan earthquake in 2008 and 8 disaster indexes, the comprehensive analysis is
conducted on 36 serious disaster-stricken counties and cities with grey correlation method. Firstly, these correlation degree evaluation
values of 36 counties and cities are obtained through the analysis of grey correlation method. Secondly, according to the evaluation
values and equalization values, these 36 counties and cities are ranked and classified in accordance with disaster severity. The study
results are reasonable and practical, and can provide the theoretical basis for the disaster evaluation of Wenchuan earthquake.

Key words: earthquake disaster, comprehensive evaluation, grey correlation method, equalization method