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All Journal PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Indonesian Physical Review Bima Abdi: Jurnal Pengabdian Masyarakat
Lebang, Annamaintin Kobong
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Physics Public Health Social Sciences Other

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Program Edukasi Prevensi Longsor Lereng sebagai Aplikasi Teknologi Bioengineering: Slope Landslide Prevention Education Program as an Application of Bioengineering Technology Souisa, Matheus; Nanlohy, Pieldrie; Sapulete, Sisca Madonna; Elake, Alexander Yosep; Manuhutu, Fredrik; Lebang, Annamaintin Kobong; Ely, Sufilman
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 9 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i9.10032

Abstract

Climate change has triggered increased rainfall intensity and exacerbated the risk of disasters, especially landslides in the tropical hilly areas of Ambon Island. This community service activity was carried out in Karang Panjang Village, Sirimau District, Ambon City, to increase public awareness and knowledge about the impacts of climate change and preventive strategies for slope landslides. Activities include geoscience and bioengineering-based education and direct practice of planting vetiver grass (Chrysopogon zizanioides) as a natural solution for slope prevention. The evaluation results showed an increase in public understanding by 24.7% after participating in a series of socialization activities. In addition to gaining knowledge about the causes and dynamics of slope stability, residents were also equipped with skills to plant and maintain vetiver independently and sustainably. This program proves that an educational and participatory approach can be a strong foundation for community-based disaster mitigation.
NUMERICAL SIMULATION OF Mw 8.3 SOUTH BURU FAULT TSUNAMIS WITH 3D SLIP EVOLUTION IN AMBON Kelibulin, Josephus Ronny; Latumeten, Grimaldy Rooy; Elake, Alexander Yosep; Lebang, Annamaintin Kobong
Indonesian Physical Review Vol. 8 No. 3 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i3.541

Abstract

This study investigates the tsunami hazard potential induced by the activity of the South Buru Thrust Fault on the coastal areas of Ambon City through two-dimensional (2D) numerical modelling using the COMCOT v1.7 software, while incorporating three-dimensional (3D) slip evolution from the fault scenario. The earthquake scenario was set at Mw 8.3 based on fault length, width, and slip potential estimates, representing an extreme seismic event in the region. By integrating 3D slip evolution into the 2D tsunami model, the approach accounts for spatial variations in vertical displacement along the fault plane, directly influencing tsunami generation and propagation. The simulation results show significant spatial variations in tsunami run-up heights and inundation zones, with maximum run-up recorded at Kapahaha (13.08 m, arrival time ~832 s) and Slamet Riyadi Port (12.02 m, arrival time ~786 s). In comparison, minimum values occurred in Ambon's northern and northeastern parts (<1 m). The affected area and inundation distance from the shoreline also vary, e.g., Kapahaha (12,813 m², 159 m) and Slamet Riyadi Port (414,158 m², 1,213 m). Areas experiencing the highest tsunami inundation are Latuhalat (>5 m), followed by Galala–Wayame–Laha (3–5 m) and Paso–Rumah Tiga–Hative Kecil (2–4 m). The distribution of tsunami waves is influenced by coastal morphology, wave direction, and the presence of bays and capes, which can either amplify or block waves. Further analysis highlights the effects of seafloor topography, coastal morphology, and wave propagation pathways on run-up heights and arrival times. These findings underscore the importance of considering multi-segment rupture models, 3D deformation, and coastal morphology in tsunami hazard assessments and contribute to more realistic, source-specific mitigation strategies in tectonically complex regions such as Ambon.
DETECTION OF DISPLACEMENT USING GLASS OPTICAL FIBER SENSOR WITH VARIOUS CONFIGURATION Lebang, Annamaintin Kobong; Arifin, A; Abdullah, Bualkar
Indonesian Physical Review Vol. 4 No. 3 (2021)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v4i3.124

Abstract

The research has measured the landslide using a displacement sensor based on Glass Optical Fiber (GOF) and Optical Time Domain Reflectometer (OTDR). The sensor manufacture process consists of various materials, structures, configurations, diameters, and directions. The sensor is made using GOF with a single-mode structure and single mode-multimode-Singlemode (SMS) structure. Each system is given a variety of configurations, namely gamma, bowknot, and three loops configuration. Each arrangement is provided a variation of the indentation diameter in three displacement directions. The test results will be read as the power loss on the OTDR in dB units. The results obtained were then compared between two materials, two structures, and directions. Displacement resulting landslides and changes to the sensor, causing power losses, and affecting the characteristics of each sensor. We found the best measurement results with the sensitivity value of 0.241 dB/mm and the resolution value of 0.004 mm. The displacement sensor has been made for measuring landslide in the laboratory-scale simulation based on GOF and OTDR with easier fabrication, easy operation, high sensitivity, better resolution and can be connected to a computer
Efektivitas Sosialisasi Mitigasi Bencana Gempa Bumi dan Tsunami di Wilayah Pesisir Latuhalat Kota Ambon Kelibulin, Josephus Ronny; Nanlohy, Pieldrie; Lebang, Annamaintin Kobong; Manuhutu, Ledy; Latumeten, Grimaldy Rooy
Bima Abdi: Jurnal Pengabdian Masyarakat Vol. 5 No. 3 (2025): Bima Abdi: Jurnal Pengabdian Masyarakat
Publisher : Yayasan Pendidikan Bima Berilmu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53299/bajpm.v5i3.2404

Abstract

Kegiatan pengabdian masyarakat ini bertujuan meningkatkan pengetahuan dan kesiapsiagaan warga pesisir Negeri Latuhalat, Kota Ambon, terhadap potensi gempa bumi dan tsunami. Metode pelaksanaan mencakup sosialisasi edukatif berbasis visual menggunakan video simulasi 3D, brosur, spanduk lokal, serta pre-test dan post-test. Masyarakat diperkenalkan pada potensi tsunami lokal akibat aktivitas sesar bawah laut, serta pentingnya evakuasi cepat melalui jalur aman yang telah dipetakan. Hasil evaluasi menunjukkan peningkatan pemahaman signifikan dari skor rata-rata 40,8% (pre-test) menjadi 86,1% (post-test), mencakup aspek pengetahuan dan sikap (K), rencana tanggap darurat (EP), peringatan dini (WS), dan mobilisasi sumber daya (RMC). Media edukatif yang dikembangkan terbukti efektif memperkuat pesan mitigasi dan menjangkau lebih banyak warga. Partisipasi aktif masyarakat menunjukkan antusiasme tinggi terhadap edukasi kebencanaan. Luaran kegiatan meliputi video edukatif, brosur, banner, peta rendaman tsunami hasil pemodelan numerik, serta peta evakuasi lokal yang dapat digunakan dalam program kesiapsiagaan lanjutan dan pelatihan kebencanaan di sekolah maupun masyarakat umum.
Co-Authors Abdullah, Bualkar Arifin, A Elake, Alexander Yosep Ely, Sufilman Fredrik Manuhutu, Fredrik Kelibulin, Josephus Ronny Latumeten, Grimaldy Rooy Manuhutu, Ledy Matheus Souisa Pieldrie Nanlohy Sapulete, Sisca Madonna