PDG is an application on smartphones that allows people to participate in providing information related to natural disasters occurring in their localities to relevant agencies, and at the same time receive warning information. early on possible natural disasters to plan for timely response. Synthesized information from the software will be analyzed and served as a basis for local disaster preparedness and mitigation planning. Besides, natural disaster prevention and mitigation plans at all levels are developed with the participation of stakeholders, especially the community; These plans are integrated into the local socio-economic development plan to have appropriate budget and resource allocation for implementation.