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In supporting the objectives of the urban zone spatial plan necessary a study of preparedness to geological natural disasters especially areas located in active fault zones to reduce the risks that will occur and prepare serious mitigation studies on disaster management with prevent, reduce risk and increase community preparedness in the face of disasters. Part of the Deli Serdang Regency is an area located in the active fault zone, in part of Pancur Batu District and parts of Namorambe District. Based on these conditions, it is necessary to look at the impact caused by active faults on the development of the area around the fault zone. The method used in this study is a quantitative method by requiring seismic hazard data which includes Peak Ground Acceleration (PGA), earthquake risk level, frequency of earthquake events, earthquake strength and seismic hazard assessment. From the results of the analysis, it is necessary to make prevention around the area that has an earthquake disaster so that it can reduce the impact of disasters in the long term and mitigation in the response in the event of a disaster by applying the Zoning Regulation and Building Code