Abstract
Purworejo district has determined an industrial allotment area of 922,238 hectares along the south coast. Meanwhile, the coast of Purworejo Regency is part of the southern coast of Java Island and has the potential to be affected by tsunamis. Tsunami disaster events in the south of Java Island recorded run-up of up to 15,7 meters and recent research shows a potential run-up of 34 meters. The study aimed to identify tsunami hazard zones and directions of control based on modelling of inundation potential. The determination of the hazard zone was conducted through spatial classification analysis, while the direction of mitigation control was formulated by descriptive analysis. The high tsunami hazard zone in the 15,7 meters run-up scenario covers 0,33% of the industrial allotment area and the high tsunami hazard zone in the 20 meters run-up scenario covers 3,47% of the industrial allotment area so that the direction of mitigation included strengthening foundations and adapting buildings, providing disaster infrastructure, optimizing regional protection functions, and limiting building density. The high tsunami hazard zone in the 34 meters run-up scenario covers 99,12% of the industrial allotment area so that directional mitigation control is the displacement of the entire industrial allotment area.
Published Version
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