A.M. Asbi, D. Mardiatno, D. Ruslanjari
Located on Indonesia's coast, Bandar Lampung is a city whose activity centers are particularly vulnerable to tsunamis. This research evaluates the city's tsunami risk zones by examining potential wave heights along its coastline. The study utilizes Geographic Information Systems (GIS) technology and a quantitative methodology to create detailed maps showing both tsunami hazard areas and their potential effects on different types of land use. Through a combination of HLOSS operations (which analyze wave height reduction) and Cost Distance calculations (which predict wave movement patterns), researchers developed a comprehensive tsunami hazard index map. The study produced several signiUicant Uindings about Bandar Lampung's tsunami vulnerability. The analysis revealed that the city faces considerable tsunami risks, with over one-third (37.19%) of its coastal region falling within identiUied hazard zones. The research also identiUied speciUic areas at highest risk, including densely populated urban neighborhoods, industrial facilities, business districts, and areas covered by shrubland. Given these substantial risks, the study emphasizes the urgent need for implementing effective preventive measures and developing comprehensive mitigation strategies to protect the city against potential tsunami events. © Published under licence by IOP Publishing Ltd.
Environmental Science Doctoral Program, Graduate School, Universitas Gadjah Mada, Yogyakarta, Indonesia; Environmental Geography Study Program, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, Indonesia; Disaster Management Study Program, Graduate School, Universitas Gadjah Mada, Yogyakarta, Indonesia; Urban and Regional Planning Study Program, Faculty of Infrastructure and Regional Technology, Institut Teknologi Sumatera, South Lampung, Indonesia; Centre for Environmental Studies, Universitas Gadjah Mada, Yogyakarta, Indonesia
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