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All Journal Islamadina : Jurnal Pemikiran Islam IJOG : Indonesian Journal on Geoscience Jurnal Pemberdayaan Masyarakat Madani (JPMM) INDONESIAN JOURNAL OF APPLIED PHYSICS At-tijaroh: Jurnal Ilmu Manajemen dan Bisnis Islam El-Barka: Journal of Islamic Economics and Business Al Maal: Journal of Islamic Economics and Banking Jurnal Varian Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Manajemen Universitas Bung Hatta KONSELING EDUKASI : Journal of Guidance and Counseling Jurnal PkM (Pengabdian kepada Masyarakat) Telaah Bisnis Universitas Muhammadiyah Yogyakarta Undergraduate Conference Proceeding Prosiding Seminar Nasional Program Pengabdian Masyarakat JEKSya Jurnal Ekonomi dan Keuangan Syariah International Journal of Economics, Business and Innovation Research
Rozikan, Rozikan
Universitas Muhammadiyah Yogyakarta
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NUMERICAL TSUNAMI HAZARD MODELLING AT THE PANCER COAST - PUGER, EAST JAVA, INDONESIA Rozikan, Rozikan; Cahyono, Bowo Eko; Suprianto, Agus; Adhi, Aryono
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 16, No 1 (2026): April ( Article in press )
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v16i1.114864

Abstract

The southern Java subduction zone is one of the major tsunami hazard sources in Indonesia due to its potential to generate large megathrust earthquakes. This study evaluates tsunami hazards from a Mw 8.7 megathrust earthquake scenario using numerical modelling with COMCOT v1.7. A five-layer nested grid system is applied to simulate tsunami generation, propagation, and inundation from the Indian Ocean to the Pancer - Puger coast, Jember Regency, Indonesia. Earthquake source parameters are defined using the Wells and Coppersmith empirical relationships, while initial seafloor deformation is calculated using the Okada elastic dislocation model. Tsunami wave dynamics are analysed using Virtual Tsunami Gauges (VTGs). The results indicate that Puger Kulon and Mojosari villages experience the most severe impacts, with large wave amplitudes, strong currents, and inundation exceeding 20 m depths. Tsunami arrival times is about 21 to 27 minutes, providing a very limited evacuation window. The ETH (Estimated Tsunami Height) and ETA (Estimated Time of Arrival) maps show that low-lying, open coastal plains act as primary pathways for tsunami penetration. These findings emphasize the high vulnerability of the Pancer coast - Puger and the need for risk-based mitigation, improved evacuation planning, and strengthened local early warning systems.Keywords: tsunami; COMCOT; Pancer coast; inundation; arrival time
Co-Authors Aaron A. Vargas-Zeledon Abdul Basid Anidah Robani Aryono Adhi, Aryono Bima Sanjaya Gumeleng Cahyono, Bowo Eko Fadhila, Anisa Fifi Septiani Hilman Latief Hilman Latief I Ketut Mahardika Jannah, S.D.N. Julia Noermawati Julia Noermawati Eka Satyarini Kamarudin, Mohd Fauzi Kuncoro, Djati C. Lovytaji, Helmalia A. Maddani Akhsa Nulyani Mohd Fauzi Kamarudin Muhammad Rizqi Nurdianto Muhammad Zakiy Muhsin Hariyanto Pertiwiningsih, Ana R. Rusli Rahadi, Qisthian Ria Dhea Layla Nur Karisma Robani, Anidah Septiani, Fifi SRI ASTUTIK Viona Anin Dwita Wachju Subchan Wahyu Wismawati