Assessment of effectiveness of information sharing system in disaster prevention information transmission

based on Survey to users of L-alert

Abstract

L-alert is an information infrastructure system for disaster prevention and life support information transmission to residents. A variety of news media and communication enterprises collect evacuation information from L-alert and transmit to residents. According to the results of the questionnaire survey on usage of an information sharing system, we revealed factors that are hindering distribution of information for each type of media. And we proposed countermeasures utilizing information sharing system,to realize smooth information distribution.