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Disaster Mitigation Scheme for Future Tsunami Event at Awerange Port of South Sulawesi

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Abstract:

The Makassar Strait, located between two major tectonic plates in the region, the Sunda Plate to the west and the Australian Plate to the east, holds three Spreading Centres. They are the South Makassar Strait Spreading Centre (SC-SMS) in the south and the North Makassar Strait Spreading Centres (SC-NMS-1 and SC-NMS-2) in the north. All of them are active and can cause tsunamigenic earthquakes, especially in the areas that directly face those Spreading Centres. One of the areas prone to tsunamis and directly facing the Spreading Centers in South Sulawesi is the Awerange Port in Soppeng Riaja District, Barru Regency. This study aims to obtain an appropriate tsunami mitigation scheme based on the results of tsunami disaster modeling in the Soppeng Riaja District. Assuming a tsunami with a magnitude of 5.5 SR, 6.0 SR, and 6.5 SR at three tsunami points with four buoy points modeled using SiTPros, the highest run-up height is 9.85 meters with a travel time to the surface of 22 minutes. The results of this modeling serve as a reference for developing structural and non-structural mitigation measures. In this regard, the proposed structural mitigation measures, including constructing shelter buildings at several points and installing early warning devices, are crucial. Equally important is the creation of tsunami hazard maps and public awareness campaigns for self-evacuation during tsunami disasters, which can only be successful with the active participation and support of the community.

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Periodical:

Engineering Headway (Volume 39)

Pages:

245-258

DOI:

https://doi.org/10.4028/p-7XeqTD

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Online since:

July 2026

Authors:

Achmad Yasir Baeda*, Chofifah Datu Bulawan, Chairul Paotonan

Keywords:

Awarange, Disaster Mitigation, Tsunami

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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