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All Journal Indonesian Journal of Geography POSITRON Jurnal Matematika & Sains Journal of Mathematical and Fundamental Sciences Journal of Engineering and Technological Sciences Journal of ICT Research and Applications Jurnal Fisika Unand JOURNAL ONLINE OF PHYSICS Science and Technology Indonesia JOIV : International Journal on Informatics Visualization Journal of Science and Applicative Technology Jurnal Penelitian Pendidikan IPA (JPPIPA) Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya Jurnal Sains Dirgantara Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Geofisika Jurnal Jaring SainTek Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Phydagogic : Jurnal Fisika dan Pembelajarannya Indonesian Journal of Physics (IJP) Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Journal of Engineering and Technological Sciences
Wahyu Srigutomo
Department of Physics, Faculty of Mathematics and Fundamental Sciences, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, 40132, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Journal : Jurnal Fisika Unand

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Analisis Pengaruh Prisma Akresi dan Patahan Splay terhadap Deformasi Permukaan akibat Gempa Mentawai 2010 melalui Pemodelan Numerik 3D Kuncoro, Alvina Kusumadewi; Srigutomo, Wahyu; Fauzi, Umar
Jurnal Fisika Unand Vol 14 No 4 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.14.4.346-352.2025

Abstract

The Southern Mentawai Segment is located in the Sumatra Subduction Zone, which is part of the accretionary wedge. The accretionary wedge is the most complex tectonic structure in the world within its material and geometrical structure. The 2010 South Mentawai earthquake, with magnitude Mw~7.8, was accompanied by a tsunami that was larger than expected for its magnitude, classifying it as a tsunami earthquake. This study analyze the effect of the accretionary wedge and faults in the South Mentawai Segment on surface deformation using 3D finite element modeling. The geometric model was constructed in four configurations: a model without an accretionary wedge, a model without an accretionary wedge but with splay fault, a model with an accretionary wedge, and a model with both accretionary wedge and splay fault. The results indicate that the model with the accretionary wedge aligns better to the data observed at GPS stations, particularly for the vertical deformation. The presence of splay faults in the model increases the vertical deformation by up to twice, both for the model with and without the accretionary wedge. A better understanding of the subsurface structure enables more precise identification of areas with potential earthquake-triggered tsunamis and more accurate surface deformation estimation.
Co-Authors Abdullah, Adi Rahmansyah Amir Acep Purqon Acep Purqon Adam Sukma Putra Adhitya S. Sunarya Adi R.A. Abdullah Alamta Singarimbun Alan Maulana Alan Maulana Anggie Susilawati Anwar, Hairil Ari Setiawan Asep Harja Asep Harja Asep Saefullah Azrul Azwar Bakrun Bakrun Candra E. Novana Deny Juanda Puradimaja Dini Andriani Dini Fitriani Doddy Sutarno Doddy Sutarno Doddy Sutarno Doddy Sutarno Doddy Sutarno Doddy Sutarno Eddy Supriyana Eleonora Agustine Eleonora Agustine Eleonora Agustine Eleonora Agustine Enjang Jaenal Mustopa Enjang Jaenal Mustopa Enjang Jaenal Mustopa Evita, Maria Fajriani Fajriani Fajriani Fajriani fariduzzaman, fariduzzaman Fourier Dzar Eljabbar Latief Frafti Rejeki Fungki Iqlima Nasyidiyah Ghany Hanifan Muslim Hairil Anwar Hairil Anwar Hairil Anwar Halawa Ernwati Hapsoro, Cahyo Aji Harapan Marpaung Hardi Hamzah Harry Mahardika Haryo Seno Hendra Gunawan Herlan Darmawan Herlin Tarigan Hisashi Utada Humolungo, Ismail Husnul Hamdi Husnul Hamdi I G. P. F. Soerya Djaja I Gede Putu Fadjar Soerya Djaja Imam Suyanto Imran Hilman Mohammad Imran Hilman Mohammad Irwan Ary Darmawan irwan meilano Irzaman, Irzaman Ismail Humolungo Jayawarsa, A.A. Ketut Joko Sampurno Kartika Hajar Kirana Kasman, Alief Sadlie Kumalasari, Ratih Kuncoro, Alvina Kusumadewi Linus Pasasa M. Habri Zen Mahardika, Harry Maria Evita Martin Liess Martin Liess Melany Febrina Mitra Djamal Moh Yasin Mohammad Heriyanto Mohammad Heriyanto Muhamad Hilmi Aufa Muhammad Abdilllah Budianto Mustikawati, Sekar Tanjung Nadhira Gunawan Ni Ketut Lasmia Nina Siti Aminah Pepen Supendi Pratomo, Prihamdhanu Mukti Prihamdhanu Mukti Pratomo Prihandhanu M. Pratomo Purnama, Dikdik Sidik Putra, Heriansyah Rahmi Elzufiah Rakotovao Lovanantenaina Omega Rasito Tursinah, Rasito RATIH KUMALASARI Ratih Kumalasari Retna Apsari Richardo Barry Astro Rifky Nauval Rostikwati, Diana Ayu Ruddy Kurnia Satria, Eko Seno, Haryo Sesri Santurima Setyanto Cahyo Pranoto Sidik, Adi Permana Sitti Balkis Sparisoma Viridi Sumintadireja, Prihadi Suprijadi Suprijadi Suprijadi Suprijadi Supriyadi Supriyadi Surya Ningsih Surya Ningsih Suryanto, Wiwit Tsuneomi Kagiyama Tsuneomi Kagiyama Tsuneomi Kagiyama Umar Fauzi UMAR FAUZI Umar Said Wahyu Hidayat Wahyudi Wahyudi Warsa warsa Wataru Kanda Yanti Yanti Yazid Bindar Yuant Tiandho Zikri, Arizal Akbar Zulfahmi Zulfahmi Zulfahmi Zulfahmi Zulhendra Zulhendra