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Ristiyono, Lewi
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Physics

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Analisis Pemisahan Gelombang Geser di Bawah Daerah Busur Vulkanik Sumatra yang Diperoleh dari Stasiun Jaringan Seismik Broadband. Ristiyono, Lewi; Nurfaizah, Chichi; Purba, Suhenri; Situmorang, Marhaposan
Journal of Computation Physics and Earth Science (JoCPES) Vol 1 No 1 (2021): Jurnal Fisika Komputasi dan Ilmu Kebumian
Publisher : Yayasan Kita Menulis - JoCPES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53842/04wbc932

Abstract

The observation of broadband network seismic had been deployed in Sumatra For-Arc. The waveform data for this study were recorded from January 2014 – December 2016. The earthquake event data were selected with the epicenter of around 950 – 1800 in distance and Magnitude with more than 7 Mw. In this case, we use shear wave splitting to determine an anisotropic structure in Sumatra For-arc. Seismic Anisotropy can perform as a tool to classify and observe anisotropic structures of subsurface deformation processes beneath Sumatra For-Arc. The valid outcomes, in this case, have been gained that they only correspond to the upper layer, which has the delay time duration of 0.5 – 0.8 s is the anisotropic layer located in the Mentawai Island. The fast an anisotropic polarization direction found in Sumatra For-arc are parted into NE-SW direction found on the upper layer.
Co-Authors Marhaposan Situmorang, Marhaposan Nurfaizah, Chichi Purba, Suhenri