Description: This paper discusses certain aspects of those mass emergencies typically called community disasters. Which aspects? In general, we focus on the social and human aspects of disasters, ignoring physical engineering, or technical matters. More specifically, we are interested in reporting what social science research tells us about disaster behavior. In particular, we want to describe the typical reactions of individual victims and the usual response patterns of organizational helpers. WE also what to indicate what kind of planning will be most appropriate, given the way victims act and organizations behave in disasters.