Misconception Of Run-Up Definition And Its Implication To Tsunami Risk Assessment A Case Study In Pacitan Coastal Area, Indonesia

https://doi.org/10.22146/ijg.2241

Djati Mardiatno(1*), Suanrto Sunarto(2), Lies Rahayu W.F(3), Johann Stotter(4)

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(*) Corresponding Author

Abstract


This article aims to build the similar understanding of run-up concept and to review the "map of t,'}iinami risk analysis in Pacitan" released by Balai Pengkajian Dinamika Pantai (BPDP)-BPPT Indonesia. We also propose similar understanding of risk definition related to the natural hazards, such as tsunami. The investigation used comparison method between 2 maps, i.e. tsunami risk map by BPDP and our tsunami risk map. Based on the comparison result, we found a misconception of rim-up in the tsunami risk map produced by BPDP. There is no differentiation between run-up and water-height over the land. It should be revised to avoid it from the incorrect rim-up definition. We also found if it was also mentioned as a "map of t.\imami risk analysis" while the analysis result was not performed in that map. Therefore, it is necessGlY to understand the run-up concept and risk concept first prior to map those phenomena.

Keywords


Tsunami, run-up, misconeption, water height, tsunami risk, java, Indonesia




DOI: https://doi.org/10.22146/ijg.2241

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Accredited Journal, Based on Decree of the Minister of Research, Technology and Higher Education, Republic of Indonesia Number 30/E/KPT/2018, Vol 50 No 1 the Year 2018 - Vol 54 No 2 the Year 2022

ISSN 2354-9114 (online), ISSN 0024-9521 (print)

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