Investigation of the casualties of terrorism events in Columbia

摘要

In this report, terrorism events are investigated. We make statistic analysis for the distribution of fatality number and injury number by the data from open database GTD. The power law distribution is found which exists not only for the whole Colombia country but also the large organizations in this country. For Colombia, the power law distribution of fatality number and injury number is mainly composed of power law distribution of organizations in this country. Besides, it is found that, the sine function relationship exists between average activity degree and average severity (casualty number) of organizations except two organizations with big severity and two organizations with low average activity degree. The results will shell light on the anti-terror work.