Multi Hazards Risk Assessment, a New Methodology

Multi hazards pose a serious threat to human life.Itcan cause considerable damages. The evaluation of theexpected losses due to multi hazards requires a risk assessment. Multi hazards risk assessment allow theidentification of the most endangered areas and suggest where further detailed studies have to be carried out.This study aims to give a new methodology for Multi-Hazard Risk Assessment that makes easier the comparability analysis of vulnerability for different hazards and accounts for possible triggering (domino) effects. Methods used in this paper are based ontheoretical approachand documentation.Two types of hazards will be assessed, namely earthquakeand fire following earthquake.Semi-quantitative and quantitative approach wouldassessrisk rates at both regional and local levels.In this study,representation of a new methodology for multihazardsrisk assessment, includesdeterminationof a model with parameters, consideration of the indicator-based pattern of vulnerability assessment that selected of all the relevant indicators and presented new classification of indicators based oncomparison to different hazards and possible triggering (domino) effects. This means apotential multi-hazard indicator could be higher than the simple aggregation of single risk indicators calculation.The focus is on establishing a general overview of the emerging issues, and indicating how hazard relations can be considered in multi-hazard studies.The hazard relations is identified andstudied by means of a new method and the overlay of hazard areas to determine overlaps in final multi hazards map

کلیدواژه ها:

Multi-hazard ، risk assessment ، new methodology ، domino effects ، indicator-based vulnerability