Multi-Hazard Risk Assessment of Kathmandu Valley, Nepal

Natural hazards are complex phenomena that can occur independently, simultaneously, or in a series as cascading events. For any particular region, numerous single hazard maps may not necessarily provide all information regarding impending to the stakeholders for preparedness and planning. A multi-hazard map furnishes composite illustration of natural varying magnitude, frequency, spatial distribution. Thus, risk assessment is performed depict holistic scenario region. To best authors’ knowledge, assessments rarely conducted Nepal although multiple strike country almost every year. In this study, floods, landslides, earthquakes, urban fire used assess Kathmandu Valley, Nepal, using Analytical Hierarchy Process (AHP), which then integrated with Geographical Information System (GIS). First, flood, landslide, earthquake, individually superimposed obtain risk. Multi-hazard Valley by pair-wise comparison four hazards. The sum observations concludes densely populated areas, old settlements, central valley have high very level