In engineering applications, the personnel exposure damage threshold is often used to calculate the radius of minor injury, serious injury, and death in chemical accidents such as fires and explosions . Human vulnerability is also an important indicator to measure the consequences of chemical accidents . Based on the probit models provided by the Purple Book and Green Book , the death probability of an exposed individual can be calculated from the physical effects (human responses to toxic substances, thermal radiation, and overpressure) and the estimated time of exposure. Social indicators that influence the capacity of population groups to perceive, cope with, and resist a hazard have not been explored . Thus, some specific indicatorbased methods were developed to include both social and physical factors of human vulnerability. However, the reliability of indicator-based methods heavily depends on the data quality about the information and distribution of people . In addition, the mutually amplified phenomena between various hazards are not considered by the existing research.