To enrich the principle of sustainability through the development of the geographical character of the area along the Palu-Koro Fault as a tourism destination, conservation activities, education, and improvement of the local economy are carried out while still maintaining the carrying capacity of the environment. This study explores the peculiarities of geology, beauty and environmental diversity as potential heritage of Palu-Koro geotourism, so that it is feasible to develop sustainable geotourism in the Palu valley. An exploratory descriptive approach is used to find the formulation of area management from the potential of heritage and geological sites, the need for tourism components, and tourism products. The components studied include Geology and Sustainability. The results show that the condition of the geological sites formed after the 7.4 Richter Scale tectonic earthquake activity is mostly still natural and has not been managed properly. After four years of the disaster, the condition of the Petobo liquefaction area, the post-tsunami coastline, and the Diponegoro fault are all filled with shrubs and liquefaction and tsunami soil deposits, while building fossils still exist.. Therefore, a study is needed that pays attention to the location of the site and post-disaster spatial directions in the Disaster-Prone Zone.
West Palu District is one of the areas severely affected by the earthquake that occurred on September 28, 2018. The purpose of this study was to assess the level of multi-hazard disasters in the West Palu District. The study was conducted by assessing each disaster hazard, namely the hazard of earthquakes, tsunamis, and liquefaction presented in a multi-hazard map. The earthquake hazard assessment parameter is based on PGA data. The tsunami hazard parameter is based on data from the highest peak of a tsunami wave that has ever occurred. Meanwhile, the liquefaction hazard parameter is based on the ground shear strain (GSS) value. Then the weighting and overlapping methods are carried out to obtain the final result in a multi-hazard assessment map. The results showed that the level of multi-hazard in West Palu District was in the medium and high class. The middle multi-hazard level is in Baru Village, Kamonji Village, and Siranindi Village. In contrast, the high multi-hazard level is in Balaroa Village, Ujuna Village, and Lere Village.
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