Urban mass panic monitoring and measurement system for incident based on the BBS

Public incidents not only lead to great loss to human life and property, but also cause psychological changes of people, which probably trigger public panic, stimulate derivative events and even produce greater disaster. Internet technology makes the transmission of information more quickly, with the negative impact even more serious. This paper analyses the causes, characteristics and response of public panic, then introduces the public panic measurement system based on the monitoring of opinions on network to provide an effective decision support for emergency management, and experimental results are discussed at the end.