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Journal : INDONESIAN JOURNAL OF APPLIED PHYSICS

Estimation of Tsunami Hazard and Evacuation Sites using The Cornell Multigrid Couple Tsunami Method in South Button Regency Ilham Ilham; Jamhir Safani; Muliddin Muliddin; Teguh Sulistian; Sorja Koesuma
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 15, No 1 (2025): April
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v15i1.97008

Abstract

The 1992 earthquake and tsunami in the Flores Sea proved that the tsunami impacted the people of the South Buton Region. This research aims to map tsunami hazards and estimate evacuation routes and sites in the South Buton Regency. These evacuation routes and sites are very crucial for disaster preparedness and reducing the risk of tsunami disasters. This research simulates the tsunami wave hazard from the 1992 Flores earthquake using the Cornell multigrid coupled tsunami (COMCOT). We designed the study area in five layers and seven sublayers, encompassing 13 villages on the coast of South Buton Regency. The research generated seven tsunami hazard maps based on the number of existing sublayers, each equipped with evacuation routes and locations. In general, the seven study areas have two tsunami hazard levels: a hazard level with an inundation height of less than 0.5 m and a hazard level with an inundation height of 0.5–3 m. The tsunami inundation distance for the height of 0.5-3 m varies. The shortest inundation distance is 5–33 m in Lakambau and Laompo Villages, while the farthest distance is 57–98 m in Katampe, Lamaninggara, and Molona Villages. Apart from that, the tsunami wave arrived around 35–45 minutes after the earthquake. The fastest arrival time is 35 minutes in Bahari Village, which is closest to the source of the tsunami. The results of the study recommend 17 temporary evacuation sites (TES) and 7 final evacuation sites (FES) in the research area.
Co-Authors Adriyansyah Adriyansyah Ahmad Hidayat Ahmad Iskandar Al Firman Al Rubaiyn Ali Okto Ali Okto Ali Okto Ali Okto Ali Okto Andimbara, La Ode Anshari, Erwin Arfian Arfian Arisona Arisona Arisona Arisona, Arisona Atodding, Wa Ode Sitti Jumrana Bahdad Bahdad Besse Muliana Deniyatno, Deniyatno Djafar, Muhammad Kabil Eny Azkiah Erzam S. Hasan Firdaus Firdaus Firdaus Firdaus Golok Jaya, La Ode Muhammad Hamid, Fanul Hamzah Latief Hamzah Latief Harimudin, Jamal Harisma Buburanda, Harisma Hasbullah Syaf Hasnawati Hasnawati Hasria - Hasria Hasria Hasria Hasria Hasria Hasria Hasria Hasria, Hasria Ido, Irfan Ilham Akbar Ilham Ilham Iradat Salihin Iradat Salihin Irawati Irawati Irham Irham Istihsan Kamil Istiyono, Adi Jamhir Safani Jamhir Syafani Jaya, Rio Irhan Mais Cendra Kangkuso Analuddin, Kangkuso La Aba La Hamimu La Hamimu La Maronta Galib, La Maronta La Ode M. Yasir Haya, La Ode M. La Ode Muhamad Ahdiarno La Ode Ngkoimani La Ode Ngkoimani, La Ode Laode Irsyad Dati Laode Muhammad Farhan Laode Muhammad Harjoni Kilowasid Laode Sabaruddin Lias, Lias Luh Nyoman Didik Tri Utami Lukman Yunus, Lukman M. Alfaruq, M. Alfaruq Maharusu, Maharusu Mais Laode Maria Dara, Maria Maryam Maryam Masri Masri Meliawati MMSI Irfan ,S. Kom Muhamad Sugito Muhammad Arba Azzaman Muhammad Fahyu Sanjaya Muhammad Kabil Djafar Muhammad Rahmatul Sarfat Mukminin, Ansyahrul Nani Yuniar Ngkoimani, . La Ode Noor Husna Khairisa Nurgiantoro, Nurgiantoro Okto, Ali Pou Anda Pratikino, A Ginong Putri Bintang Restele, La Ode Rimba Hamid Riska Yanti ruslan, la ode rusmianto Saenuddin, Saenuddin Safwan Hadi Safwan Hadi Sahiddin, La Ode Salihin, La Ode Muhammad Iradat Salihin, Laode Muh. Iradat Sanjaya, Muhammad Fahyu Sawaluddin Sawaludin Sawaludin Sawaludin, Sawaludin Sofyana, Nelly Sorja Koesuma Steven Steven Suparwi Suparwi Suryawan Suryawan A, Suryawan A Suryawan Asfar Suryawan Asfar Suwardi, Wa Ode syamsu Alam SYAMSU ALAM Syamsul Razak Haraty Teguh Sulistian Tresjia Corina Rakian TRESJIA CORINA RAKIAN, TRESJIA CORINA Waode Marwahi Yulisari, Erna