In recent years, more and more frequent natural disasters have entered our lives. With the new seismic design code having been gotten administrative implementation, the national "Seismic Zoning" is also in full swing by. There are three parts composed Xi'an Seismic Zoning, including Engineering Geological Zoning, Ground Motion Zoning and Seismic Geological Hazards Zoning, etc. This article is about geological hazards in Xi'an seismic risk analysis, hazard zoning and seismic visualization platform building.Xi'an seismic geological hazards can be divided into two types, including significant and potential. Significant seismic hazards include landslides and ground fissure. Potential seismic hazards include loess soil liquefaction and seismic subsidence. Different seismic hazards assessment system has been used for different hazards types in Risk Analysis. Different zoning models have been used for the different types of hazards in Seismic Hazard Zoning. Zoning models have been divided into Deterministic model and Fuzziness model. Zoning results obtained by the use of GIS tools.It is one of the issues to be resolved in this article that presented the evaluation data and the zoning results real and efficient to the users. The establishment of seismic hazards visualization system integrates with GIS development achieved in the form of secondary, uses the COM components to achieve the basic functions of GIS technology, takes common software development tools for the development platform. GIS-based data management, query, editing, and thematic map output function is called by Arc Engine GIS components to achieve. Process model is achieved by the development of language. The integrated development of both has been completed. With the development of the data large integrated, the research and development about the visual system, which based on cloud computing, has emerged. |