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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) International Journal of Science and Engineering (IJSE) Jurnal Teknik ITS Jurnal Sains dan Seni ITS Jurnal Penelitian Fisika dan Aplikasinya (JPFA) IPTEK The Journal of Engineering IPTEK Journal of Science IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Neutrino : jurnal fisika dan aplikasinya IJOG : Indonesian Journal on Geoscience Jurnal technoscientia Jurnal Matematika & Sains JFA (Jurnal Fisika dan Aplikasinya) Jurnal Spektra JURNAL TEKNOLOGI TECHNOSCIENTIA Indonesian Journal on Geoscience Indonesian Journal on Geoscience International Journal of Social Service and Research Makara Journal of Science
Irwan Setyowidodo, Bagus Jaya Santosa
Fisika, Institut Teknologi Sepuluh Nopember Surabaya
Arts Humanities Astronomy Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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Journal : IPTEK Journal of Proceedings Series

 1 
3D Seismic Tomography Imaging of Taiwan Substructure Diah Ningrum, Susi Anggraini; Santosa, Bagus Jaya
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2015i1.1041

Abstract

Taiwan has a high rate of crustal deformation and a strong seismic activity. Taiwan is located on the convergent boundary between the Eurasian and the Philippine Sea plates. Seismic tomography is an imaging technique that uses seismic waves to create three-dimensional images of Earth’s interior. We use the earthquake of M > 4.7 and occurred in the period of 1 January 2009 to 31 December 2010. The data processing steps of seismic tomography are picking of P and S wave using SeisGram2K60, hypocenter relocation using Hypo71, and tomography inversion using LOTOS-12. The result shows that there is high Vp and Vs in the eastern Taiwan that represent the western boundary of Philippine Sea Plate with Longitudinal Valley.
Coulomb Stress Change Analysis Center of Celebes on 29th May 2017 6.6 Mw Earthquake and Aftershocks Distribution Ibrahim Ibrahim; Gazali Rachman; Bagus Jaya Santosa
IPTEK Journal of Proceedings Series No 1 (2019): 4th International Seminar on Science and Technology 2018 (ISST 2018)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (545.723 KB) | DOI: 10.12962/j23546026.y2019i1.5114

Abstract

Mechanism of earthquakes associated with the distribution of stress static that occurs in rocks. When the rocks elastic limit is exceeded there will be a release of energy as an earthquake result as rocks no longer able to withstand the stress that will disturb the stress field in the neighborhood. In this study, analysis stress of changes was done by taken earthquake data Center of Celebes 6.6 Mw on May 29th, 2017 with hypocenter 13 km using four earthquake recording stations namely BKB, TOLI, PMSI, and LUWI through website GFZ (Geo Forschungs Zentrum) and Global CMT (Global Centroid Moment Tensor), and then calculated the earthquake source parameters so as to obtain model focal mechanism using discretization methods are iterative wave numbers and analyzed using Coulomb 3.3 to obtain the value of Coulomb stress change and its aftershocks distribution. Analysis results showed that orientation the focal mechanism model of earthquake fault plane has been a normal fault type, fault length 27.54 km, width fault 14.06 km with slip shift of 79.06 cm. Coulomb stress Changes are generated ranging from 0.05 to 0.2 bar trending southwest-northwest and northeast-southeast of the epicenter, Based on Coulomb stress plot that center of Celebes 6.6 Mw on May  29,  2017 earthquake triggering aftershocks on May 29th, 2017 at 14:53:44 UTC with latitude and longitude -1.12 ° and 120.17 ° northwest trending with a range of values from 0.1 to 0.05 bar, on May 31, 2017 at 04:42:06 with latitude and longitude -1.17 ° and 120.79 ° north-east trending with a range of values from 0.15 to 0.1 bar and on November 25, 2017 at 09:14:51 UTC with latitude and longitude -1.18 ° and 119.93 ° and 11:11:24 UTC with latitude and longitude -1.19 ° and 119.94 westbound with a range of values from 0.05 to 0.01 bar
Co-Authors A. M. Miftahul Huda Abdurahman Wafi Abdurrahman Wafi Ahmat Dafit Hasim Asrori Amien Widodo Arga Nuryanto Arif Haryono Arya Dwi Candra Asmaul Mufida Bahri, Ayi Syaeful Bambang Sunardi Bambang Sunardi Bambang Sunardi Bambang Sunardi Bintoro Anang Subagyo Chi Chi Novianti Deby Nur Sanjaya Dewi Fajriyyatul Maulidah Diah Ningrum, Susi Anggraini Dwa Desa Warnana Dwi Ayu Karlina Eden Lazuardi Eka Jaya Wifayanti Emanuel Destianus Banggut Fathony Akbar Pratikno Febry Rokhman Firdaus Hardiansyah Pratama Hetty Triastuty Hetty Triastuty Hisbulloh Huda Ibrahim Ibrahim Irwansyah Ramadhani Juan Pandu Gya Nur Rochman Kurnia Amelinda Sholikha Latifatul Cholifah Lilis Eka Rachmawati M Madlazim Madlazim Madlazim Mariyanto Mariyanto Mashuri Mashuri Mashuri Mashuri Moh Ikhyaul Ibad Muhammad Iqbal Muhammad Mifta Hasan Muhammad Mifta Hasan Muhammad Mifta Hasan Nisrina Ikbar Rahmawati Nurul Mufidah Pambayun Purbandini Patar Roy Fernandes Nainggolan Pebrian Tunggal Prakosa Pramudiana Pramudiana Rachman, Gazali Radhiyullah Armi Radhiyullah Armi Rahmatun Inayah Rayhan Syauqiya Haf Riski Salim Riski Salim Riski Salim Ryandi Bachrudin Yusuf Samsul Aprillianto Sando Crisiasa Rahmawan Yanuar Satya Hermansyah Putri Sayyidatul Khoiridah Sungkono, B.J. Santosa Syaifuddin, Firman Thariq Guntoro Totok Wijayanto, Totok Uswatun Chasanah Vidya Amalia Harnindra Wafi, Abdurrahman Wahyu Tri Sutrisno Wahyu Tri Sutrisno Wiko Setyonegoro Winda Hastari Yungi Yudiar Rahman