Abstract
The 2018 Sulawesi Earthquake and Tsunami severely damaged the coast of Palu City, Indonesia. The city did not have adequate mitigation system for a tsunami. A tsunami inundation map is required. This study based on modelling four scenarios of possible earthquake-induced tsunami. The earthquakes were identified based on data from PUSGEN. The generated tsunami wave is simulated using Delft3D and Delft Dashboard. The wave propagation is modeled using nesting method. This method couples different grid sizes. Nesting process helps to ensure the model efficiency and accuracy. The results provide the maximum inundation map along the Palu City Coast. These results can be used by decision maker to develop the coastal zone management of Palu City. Furthermore, they can be utilized to propose a disaster risk management plan.
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