1. A risk mapping system for use in crisis management comprising: a database having a plurality of risk maps stored thereon, hazard data associated with each risk map stored on the database, the hazard data associated with the plurality of the risk maps including a hazard icon superimposed on the risk map, means to access the database and select a particular risk map and associated hazard data, and means to display said selected risk map and associated hazard data including: the plurality of the risk maps stored on the database being three-dimensional graphical representations of specific locations and in which, for each location having a three-dimensional risk map, there are provided a plurality of three dimensional risk maps of the location from different aspects of that location and in which for each specific location, there is provided an internal view risk map and an external view risk map, the internal view risk map including a view of the interior of the location permitting direction of emergency services personnel through the interior of the location, the external view risk map including a view of the exterior of the location including the height of the location and the physical appearance of the location thereby allowing a user of the risk mapping system to determine whether additional equipment is required, and the user accessing the risk map being diverted sequentially through a series of linked risk maps from the outermost view external view risk map to the innermost view internal view risk map.