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All Journal Jurnal Fisika dan Pembelajarannya Jurnal Penelitian Saintek Jurnal Sains Dasar Widyariset JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA Jurnal Geofisika Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Widyariset PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Makara Journal of Science Progressive Physics Journal Jurnal Psikologi Poseidon: Jurnal Ilmiah Psikologi dan Psikologi Kemaritiman Jurnal Ilmu Fisika dan Terapannya (JIFTA)
Denny Darmawan
Jurusan Pendidikan Fisika, FMIPA, Universitas Negeri Yogyakarta
Aerospace Engineering Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Neuroscience Physics Social Sciences Other

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Interpretasi Struktur Bawah Permukaan Jalur Sesar Opak Berdasarkan Model Suseptibilitas dan Second Vertical Derivative dengan Metode Geomagnet Desi Novi Dayana; Nugroho Budi Wibowo; Denny Darmawan
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 8, No 2 (2018): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (829.047 KB) | DOI: 10.13057/ijap.v8i2.21428

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui struktur bawah permukaan jalur Sesar Opak berdasarkan model suseptibilitas dan SVD dengan metode geomagnet. Pengambilan data dilakukan menggunakan Proton Precession Magnetometer Geometric tipe G-856 dengan 77 titik pengukuran dan jarak antar titik pengukuran +2 km. Pengolahan data dilakukan melalui koreksi variasi harian, koreksi IGRF, SVD, dan reduksi ke kutub. Pemodelan dilakukan dengan menganalisis anomali medan magnet yang telah direduksi ke kutub. Hasil pemodelan solid model menunjukkan bahwa Formasi Semilir dengan nilai suseptibilitas (0 – 100) ×10-3, Formasi Merapi Muda dengan nilai suseptibilitas (0 – 2) ×10-3, dan Formasi Nglanggran dengan nilai suseptibilitas (0,6 – 70) ×10-3. Hasil pemodelan SVD dan solid model menunjukkan keberadaan Sesar Opak.
Analisis Struktur Bawah Permukaan Daerah Panas Bumi Pacitan Berdasarkan Data Gravitasi GGMPlus Roma Widiyansari; Siti Fatimah; Fidel Risti; Nur Hikmah; Denny Darmawan; Khafidh Nur Aziz; Rahmawati Fitrianingtyas
Progressive Physics Journal Vol. 6 No. 2 (2025): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/3rdp3n60

Abstract

This study aims to identify the subsurface structure of the geothermal system in the Pacitan area, East Java, using gravity methods based on GGMPlus data. The analysis procedures include terrain correction to obtain the Complete Bouguer Anomaly (CBA), separation of regional and local anomalies through upward continuation, as well as two-dimensional (2D) modeling and Second Vertical Derivative (SVD) analysis to identify fault structure. The CBA values in the study area range from 107 to 115.5 mGal, where high anomalies correlate with volcanic breccia rocks and highlands, while low anomalies indicate the presence of sandstone in lowland areas. Geothermal manifestations in the form of hot springs exhibit gravity anomalies of approximately 110.5–111.5 mGal and are situated in the north of the fault in a northwest–southeast direction. The 2D modeling results reveal the presence of reservoir rocks consisting of sandstone and clay with densities ranging from 1.79 to 2.20 g/cm³, and lava rocks with densities of 2.80–2.90 g/cm³ acting as cap rocks. SVD analysis indicates the existence of a normal fault directly associated with geothermal fluid pathways. This study demonstrates that the GGMPlus gravity method is effective for preliminary exploration of geothermal systems in potential areas such as Pacitan.
Co-Authors A. R. U. Fadilah Achmad Maulana Achsan Adisti, Adisti Agung Purnomo Ahmad Awaluddin Noer Ahmad Bayhaqi Ahmad Bayhaqi Aini Rahmatun Ummi Fadlilah Alfarisa, Suhufa Anak Agung Gede Sugianthara Arif Sudrajat Ariswan Ariswan Arya, Lutfi Aziz, Khafidh Nur Bambang Ruwanto Bambang Ruwanto, Bambang Bambang Ruwantro Desi Novi Dayana Eddy Hermawan Fidel Risti Fitrianingtyas, Rahmawati Gofur Dyah Ayu Gilang Petiwi Heningtyas Heningtyas Heningtyas Heningtyas Ika Kurnaiwati Ika Kurniawati Ilham Adi Panuntun Imdadu Rohman Kautsar Fadlih Akbar Kautsar Fadlih Akbar Khafidh Nur Aziz Khafidh Nur Aziz Khikmah Muliati Khikmah Muliati Koji Morita Laatifah, Laatifah Laila Katriani Lestari Tri Eva Meita Aulia Sari Meita Aulia Saru Merizka Marsyelina Mifta Arunahul Janah Mithra Noor Rika Safitri Norma Ayu Rahmawati Nugroho Budi Wibowo Nugroho Budi Wibowo Nugroho Budi Wibowo Nugroho Budi Wibowo Nugroho Budi Wibowo Nugroho Budi Wibowo NUGROHO BUDI WIBOWO NUGROHO BUDI WIBOWO Nur Hikmah NUR INTAN PERMATASARI NUR INTAN PERMATASARI Nurhayati Nurhayati Nurrohman Aryo Seno Petiwi, Gofur Dyah Ayu Gilang Phisca Maulana Zaky Ichsany Prihastiwi Fifi Purnama Aditya R. A. Adipurno R. N. Safitri R. Y. A. Sari Rahmawati Fitrianingtyas Restu Widiatmono Rida Siti NM Rida Siti Nur'aini Mahmudah Rifka Addawiyah Rike Nainitania Rizal Aditya Roma Widiyansari Saputra, Antonni Sardjono Sardjono SITI FATIMAH Siti Patimah Suparno Suparno Ulfa Fadhilah Umi Habibah Warsono Warsono Wibowo Nugroho Budi Wipsar Sunu Brams Dwandaru Yohanes Sardjono Yosaphat Sumardi Yosaphat Sumardi Yosi Aprian Sari Yuni Setiawati Zahroh Utami