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All Journal Jurnal Sains Dasar Natural B Scientific Journal of Informatics JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX Jurnal Inovasi dan Pembelajaran Fisika Jurnal Penelitian Pendidikan IPA (JPPIPA) INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Spektra: Jurnal Fisika dan Aplikasinya DEVELOPMENT : Journal of Community Engagement Jurnal Pijar MIPA Jurnal Mahasiswa Dirgantara
Agus Suprianto
Jurusan Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation

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Journal : indonesian journal of applied physics

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Numerical Tsunami Hazard Modelling in the Pancer Coast - Puger, East Java, Indonesia Rozikan Rozikan; Agus Suprianto; Muhammad Aryono Adhi; Bowo Eko Cahyono
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 16, No 1 (2026): April
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 worst-case scenario using numerical modeling 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 analyzed 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 time 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.
Analysis of Vegetation Index Values and Sugar Content in Sugarcane Based on Planting Age using Sentinel-2 Satellite Data Inas Alfiyatul Umniyah; Bowo Eko Cahyono; Agus Suprianto; Farid Lukman Hakim
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 15, No 2 (2025): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v15i2.106287

Abstract

This study the relationship between the age of sugarcane plants (Saccharum officinarum L.), vegetation indices, and sugar content using Sentinel-2 satellite imagery in Jember Regency. Vegetation indices such as NDVI, GNDVI, NDRE, and NDII were used to monitor the physiological condition of the plants, while sugar content was measured using a refractometer on the upper, middle, and lower sections of the sugarcane stalks. The results indicate that the highest sugar content was found in the lower stalk section, as this area serves as the primary storage site for sucrose. There is relationship that increasing plant age correlates with changes in vegetation index patterns, peaking during the maximum vegetative phase. These findings offer significant insights into technology-based sugarcane land management, supporting the optimization of harvest timing, irrigation, and fertilization.
Co-Authors Afriedha Atika Tiffany Agus Subekti Agustini Ari Setiawan Aryono Adhi, Aryono Assaiq, Muhammad Royhan Bowo Eko Cahyono Ellianawati, Ellianawati Farid Lukman Hakim Faridatur Riskiya Freddy Franciscus gladys ningtyas Hudan Mudaris Inas Alfiyatul Umniyah Irdiana Faiqah Khaerul Anwar Khaerul Anwar Linggar Ayu Octaviani Lutfi Rohman Mochamad Tanwiruz Zaman Mohammed Abdulwali Muhammad Aryono Adhi Novi Anivatul Karimah Nurfaizatul Jannah Nurul Priyantari Nurul Priyanti Rozikan Rozikan Sismanto Sismanto Supriyadi Supriyadi Suryanto, Wiwit Toviatun Toviatun Wahyudi Wahyudi Wahyudi Wahyudi