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All Journal BERKALA FISIKA Jurnal Penelitian Fisika dan Aplikasinya (JPFA) TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal RISET Geologi dan Pertambangan JGE (Jurnal Geofisika Eksplorasi) Scientific Journal of Informatics JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Journal of Geoscience, Engineering, Environment, and Technology BULLETIN OF THE MARINE GEOLOGY INSIST (International Series on Interdisciplinary Research) Indonesian Physical Review Jurnal Geosains dan Remote Sensing (JGRS) Journal of Multidisciplinary Applied Natural Science Jurnal Profesi Insinyur Universitas Lampung Journal of Applied Science, Engineering and Technology (J. ASET) Seminar Nasional Insinyur Profesional (SNIP) Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknologi dan Inovasi Industri Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Nemui Nyimah
Muh Sarkowi
Program Studi Teknik Geofisika, Fakultas Teknik Universitas Lampung, , Jl. Prof. Soemantri Brodjonegoro No. 1, Bandar Lampung, Telp. (0721)703475-708.
Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Other

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Journal : Journal of Multidisciplinary Applied Natural Science

 1 
Subsurface Identification Using Horizontal to Vertical Spectral Ratio and Inverse Velocity Modelling in Suoh Pull-apart Basin, Indonesia Mulyasari, Rahmi; Sarkowi, Muh; Haerudin, Nandi; Utama, Hari Wiki; Widiatama, Angga Jati; Darmawan, I Gede Boy; Kurniawan, Andri; Husni, Yayan Mi’rojul; Hesti, Hesti; Fatmawati, Nofita; Marlina, Serli
Journal of Multidisciplinary Applied Natural Science Articles in Press
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.366

Abstract

Suoh is a pull-apart basin located along the Semangko segment of the Sumatra Fault Zone and filled by thick fluvio-volcanic and alluvial deposits that strongly amplify seismic waves and increase surface damage during earthquakes. This study aims to perform seismic micro-zonation of Suoh using the horizontal-to-vertical spectral ratio (HVSR) method combined with shallow shear-wave velocity (Vs) inversion to support hazard assessment and land-use planning in the Suoh aspiring geopark. Single station microtremor measurements were acquired at 30 sites and processed with Geopsy to obtain dominant frequency (f0), amplification factor (A0), and seismic vulnerability index (Kg). The HVSR curves were further inverted using the Dinver module to retrieve 1D Vs profiles, with initial models constrained by the global CRUST1.0 model and local geology. The results indicate strong lateral variability in site conditions, with low f0 and high A0 values concentrated in the central–western basin, producing high Kg and reflecting thick-soft sediments overlying deep engineering bedrock (Vs ≥ 800 m/s) at depths exceeding 80–100 m. These high-vulnerability zones spatially coincide with shallow seismicity associated with the Semangko Fault. Based on Kg, the study delineates low, moderate, and high seismic vulnerability zones, highlighting areas where seismic amplification and resonance effects are most pronounced. The combination of HVSR parameters with 2D Vs imaging provides a practical framework for identifying high-risk zones and guiding risk-informed land-use planning in tectono-volcanic basins such as Suoh.
Co-Authors Abdul Latief Gunawan Adi Susilo agung setiawan Agus Kuswanto AGUS SETIAWAN Agustin, Erisa Ahmad Zaenudin Ahmad Zaenudin Akroma Hidayatika Aldika Rizkiano Aldika Rizkiano Aleksander Purba ANDRI KURNIAWAN Ari Setiawan Aryono Adhi, Aryono Azrin Merdi Isman Bagus Sapto Mulyanto Bagus Sapto Mulyanto Bagus Sapto Mulyatno Basuki, Kelik Hendro Budiman Budiman Dani, Ilham Darmawan, I Gede Boy Daru Adi Dewi, Soraya Tiana Dikpride Despa Dikpride Despa Dikpride Despa Ecca Urbita Kanedi Saihu Egi Ramdhani Fandra, Bobby Firmando Huda Utama Halim, Muhammad Rizqi Hariani, Pepi Herri Wardono Herry Wardono Hesti Hesti Hidayatika, Akroma Husni, Yayan Mi’rojul I Gede Boy Darmawan Ika Kustiana Ika Kustiani IMAM SANTIKO RAHARJO Imam Setiadi Indra Arifianto Indragiri, N Muhammad Irza Sukmana Ismail Istifani Ferucha Jarot Setyowiyoto Juandi Juandi Karyanto, Karyanto Karyanto, Karyanto Kumalasari, Isti Nur Kuncoro, Kirana Helga Aimee Kurnia, Yoga Lukman, Ernis Mahmud Yusuf MARDIANA Mardiana Mardiana Maulia, Ikram Mohd Harizalsyah Muhammad Eddy Darmansyah Muhammad Zuhdi Mulyasari, Rahmi Mulyatno, Bagus S Murti , Antonius Hary Nandi Haerudin NICO ARDIATMA OKTAVIO Nofita Fatmawati OctariaSurajaya, Tiara Ordas Dewanto Otten Rinaldi Putera, Adimas Bayu Ardian Rafi Rilo Pambudi Rahmi Mulyasari Ratna Widiyawati Ratna Widyawati Regina Febryzha Sawitri Restu Ningsih Ria Oktaviani Sinia Riri Arinda Adama Risgiyanto Risgiyanto Roy Irawan Saihu, Ecca Urbita Kanedi Salamah, Ummi Sari Utama Dewi Sawitri, Regina Febryzha Serli Marlina Sismanto Sismanto Sopan, Langnanda Ekakurnia Putri Srianti, Ririn Suharno Suharno Suharno Suharno Suharno Suhartomo, Hery Suhayat Minardi Suhayat Minardi Suryanto, Wiwit Tommy Kharizma Husein Tri Budi Setiawan Trisya Septiana Upik, Upik Wahyudi Wahyudi Wibowo, Rahmat Catur Widiatama, Angga Jati Widiatmoko, Donny Yesi Yandriani Yogi, Ida Bagus Suananda