Recent natural and man-made worldwide disasters show an increased vulnerability of society. The risk analysis of disasters is an important component of life quality for all industrial societies. However, comparison between hazards, vulnerabilities and risks causes many difficulties. A critical look at the methodologies for risk assessment of disasters is presented in this paper. The main issues of safety measures and risk-analysis are considered. Special attention is paid to survivability and robustness analysis of infrastructure, population and environment at a disaster occurrence.
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