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All Journal Novum : Jurnal Hukum Jurnal Inovasi Pendidikan Kimia JGE (Jurnal Geofisika Eksplorasi) Syntax Literate: Jurnal Ilmiah Indonesia JOURNAL OF SCIENCE AND SOCIAL RESEARCH CERIA (Cerdas Energik Responsif Inovatif Adaptif) JRTI (Jurnal Riset Tindakan Indonesia) Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jumat Pertanian: Jurnal Pengabdian Masyarakat Jurnal IPTEK Bagi Masyarakat Journal Of Human And Education (JAHE) Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Jurnal Penelitian Ilmu Pendidikan Indonesia Women Midwives and Midwifery IRA Jurnal Pengabdian Kepada Masyarakat Journal of Innovative and Creativity Jurnal Kefarmasian Indonesia
Rizki Wulandari
Jurusan Kimia FM/PA Universitas Negeri Semarang Gedung 06 lantai 2, Kampus Sekaran Gunungpati, Semarang, 50229, Telp. (024)8508035
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Analisis Bahaya Gempa Bumi Berdasarkan Nilai Peak Ground Acceleration (PGA) Menggunakan Metode Probabilistic Seismic Hazard Analysis (PSHA) di Wilayah Bali dan Nusa Tenggara Hafeezul, Muhammad; Styawan, Yudha; Wulandari, Rizki
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari (In Press)
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1621

Abstract

The Bali, West Nusa Tenggara (NTB), and East Nusa Tenggara (NTT) regions are located within an active tectonic zone influenced by the transition subduction of the Sunda–Banda arc and the presence of surrounding active faults, resulting in a high potential for earthquake hazards. This study was conducted to evaluate seismic hazard through the estimation of Peak Ground Acceleration (PGA) using the Probabilistic Seismic Hazard Analysis (PSHA) method. The analysis is based on an earthquake catalog covering the period 1964–2024 and considers various seismic sources, including shallow background, deep background, active faults, and megathrust sources. Earthquake occurrence models for fault and subduction sources were represented using a truncated exponential model. Ground motion predictions were calculated using several Ground Motion Prediction Equations (GMPEs), which were combined through a logic tree approach. The calculations were performed at bedrock conditions with a Vₛ30 value of 760 m/s, for exceedance probabilities of 10% and 2% within a 50-year period. The results indicate that PGA values for a 10% probability of exceedance range from 0.30 to 1.18 g, while those for a 2% probability of exceedance range from 0.62 to 1.75 g. High PGA values are distributed in the southern and eastern regions, which are adjacent to megathrust segments and active faults with high slip rates, whereas the northern regions exhibit lower PGA values. These results are important for public awareness in earthquake disaster mitigation efforts and for earthquake-resistant building planning.
Sosialisasi Inovasi dan Pemanfaatan Limbah Pertanian Berupa Pupuk Jakaba dan Keripik Gedebog Pisang kepada Petani Desa Balongwono Kecamatan Trowulan Kabupaten Mojokerto Sa'adah, Lailatus; Yusuf Habibi, Mohammad; Achmad Ahadin, Imam; Maksum, Jafar Sodiq; Wulandari, Rizki; Prasetyo, Muhammad Andhika Budi; Qomariyah, Siti Nur
Jumat Pertanian: Jurnal Pengabdian Masyarakat Vol. 6 No. 3 (2025): December
Publisher : LPPM Universitas KH. A. Wahab Hasbullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32764/abdimasper.v6i3.6277

Abstract

This community service program in Balongwono Village, Trowulan District, Mojokerto Regency aimed to enhance farmers’ awareness and understanding of agricultural waste utilization and innovation through the introduction of Jakaba liquid organic fertilizer and banana pseudo-stem (gedebog) chips. Jakaba, produced from the fermentation of rice-washing water, has been proven to improve soil fertility, accelerate plant growth, and reduce dependence on chemical fertilizers, while banana pseudo-stem chips provide an economically valuable product from agricultural waste that is often underutilized. The program was conducted through face-to-face socialization, interactive discussions, and the distribution of product samples to farmers. The results indicated a significant improvement in farmers’ knowledge, as shown by the increase in average scores from 79.54 (pre-test) to 90.28 (post-test). Therefore, this program effectively supports sustainable agriculture, creates value-added products from waste, and contributes to improving the welfare of rural communities.
Co-Authors Achmad Ahadin, Imam Agus Ariyanto Akhyadi, Ade Sadikin Amahlia, Selvi Ansi, Rahma Yunita Antonius Tri Widodo Arya Setya Nugroho Astuti, Dyah Puji Cahyandhika, Vega Dwi Dedi Sahputra Napitupulu, Dedi Sahputra Dewi, Adinda Putri Sari Ely Syafitri, Ely ENY SULISTYOWATI Fahriyah, Ade Alkarina Fajhrin, Dinda Tsurmaiza Farduwin, Alhada Gendro Wiyono Hafeezul, Muhammad Haiyul Fadhli Jumiatin, Dedah Jumiatin Junian, Wahyu Eko Kusumastuti Kusumastuti Melzi Octaviani Miftahul Jannah Moh. Jafar Sodiq Maksum Mursal Aziz Najma Sana Nadhirah Hilman Netrawati, Netrawati Nursyamsiyah, Siti Nurwijayanti Prasetyo, Muhammad Andhika Budi Prasetyo, Nugroho Putri, Intan Andriani QOMARIYAH, SITI NUR Rahayu Utami Reza Rizki Rizki, Reza Sa'adah, Lailatus Saputra, Erlangga Sariani, Sariani Selvianti Selvianti Siregar, Nurul Hikmatul Alawiyah Sri Hermuningsih Sumitra, Agus Triastuti, Neni Yudha Styawan Yusuf Habibi, Mohammad