We found that, with the expansion of the accident scenarios, two or more hazards (such as earthquakes, hurricanes, floods, fires, explosions, or toxic cloud emissions) may be combined in an isolated, simultaneous, or chain reaction manner, resulting in the formation of the multi-hazard coupling scenarios. As we are interested in the possible hazards around CPI, a proper taxonomy of the multi-hazard coupling scenarios related to CPI is necessary. Taxonomy promises large benefits for disaster research. It aids in cataloguing, comparison, and research genesis, and shows similarity, thus facilitating explanation and prediction . According to the previous classification provided by , the multi-hazard coupling scenarios in CPI are further divided into three categories: natural hazards coupling scenarios, technological hazards coupling scenarios, and cross-category hazards coupling scenarios.