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All Journal Wahana : Tridarma Perguruan Tinggi
Suryani Taib
Universitas Khairun, Ternate
Agriculture, Biological Sciences & Forestry Humanities Education Engineering Languange, Linguistic, Communication & Media

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Calculation of Tsunami Wave Run-Up and Velocity in Sidangoli Bay, West Halmahera Rohima Wahyu Ningrum Ningrum; Indriati Retno Palupi Palupi; Rahim Achmad; Suryani Taib; Ramdani Salam Salam; Saprudin Saprudin
Wahana Vol 77 No 1 (2025): Wahana Tridarma Perguruan Tinggi
Publisher : LPPM Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/wahana.v77i1.10313

Abstract

Due to its complex and unique geological tectonic system, North Maluku is prone to tsunami hazards. The cause of the tsunami is likely to be a megathrust earthquake. Although there are few casualties and only localized tsunamis, they significantly affect the region's stability. One of the areas recorded by the Indonesian paleo tsunami database on 28 June 1859, when a strong earthquake occurred in the Maluku Sea with a magnitude of 7, was Sidangoli Bay, with a tsunami wave run-up of 10 meters. Therefore, it is necessary to calculate the run-up and velocity of tsunami waves to mitigate tsunami disasters. The calculation method uses mathematical equations with a Python program combining various parameters. The data processing resulted in tsunami modelling showing the run-up value and tsunami wave speed in Sidangoli Bay, South Jailolo. The tsunami wave propagation speed reached 80 meters/second, and the tsunami wave height reached 28 meters. The run-up and velocity of tsunami waves in Sidangoli Bay are significant and may destroy anything in their path.
Co-Authors Indriati Retno Palupi Palupi Rahim Achmad Ramdani Salam Salam Rohima Wahyu Ningrum Ningrum Saprudin, Saprudin