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Journal : Makara Journal of Science

Determining the Source Parameters of the Jambi Earthquake (1 October 2009, Mw=6.4) Using Three-Component Local Waveforms Madlazim, Madlazim
Makara Journal of Science Vol. 17, No. 1
Publisher : UI Scholars Hub

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Abstract

The purpose of this research was to estimate the source parameters of a mainshock earthquake (Mw=6.4) that occurred on 1 October 2009 in the Dikit major segment of the Sumatran Fault Zone (SFZ). The source parameters were analyzed by the inversion of three-component local waveforms recorded by the GEOFON broadband IA network. Moment tensor of the event was determined using the Discrete Wave number method to calculate the Green function and the iterative deconvolution method to invert the moment tensors. From the analysis, we obtained the fault parameters of the mainshock, which are strike=324°, dip= 80° and rake= -173°. Abstra
Earthquakes Sources Parameter Estimation of 20080917 and 20081114 Near Semangko Fault, Sumatra Using Three Components of Local Waveform Recorded by IA Network Station Santosa, Bagus Jaya; Madlazim, Madlazim
Makara Journal of Science Vol. 16, No. 1
Publisher : UI Scholars Hub

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Abstract

The 17/09/2008 22:04:80 UTC and 14/11/2008 00:27:31.70 earthquakes near Semangko fault were analyzed to identify the fault planes. The two events were relocated to assess physical insight against the hypocenter uncertainty. The data used to determine source parameters of both earthquakes was three components of local waveform recorded by Geofon broadband IA network stations, (MDSI, LWLI, BLSI and RBSI) for the event of 17/09/2008 and (MDSI, LWLI, BLSI and KSI) for the event of 14/11/2008. Distance from the epicenter to all station was less than 5°. Moment tensor solution of two events was simultaneously analyzed by determination of the centroid position. Simultaneous analysis covered hypocenter position, centroid position and nodal planes of two events indicated Semangko fault planes. Considering that the Semangko fault zone is a high seismicity area, the identification of the seismic fault is important for the seismic hazard investigation in the region.
Co-Authors AFIFI MUTIARANI Ali Hasbi Ramadani Anggita Noviasari Asandi, Ruhi Asyfiya, Divana Zumrotul Binar Kurnia Prahani Budi Jatmiko Choiriyah, Fitrotul Cholisatin, Safira Nur Dawana, Irgy Redityo Dewanti, Adek Putri Diah Hari Kusumawati Fahmi, Muhammad Nurul FATHARANI, ATIKA Fida Rachmadiarti Fitrotul Choiriyah Fuaidah, Nur Handoko, Agus Imam Hariyono, Eko Heri Susanto Husni Mubarok I GUST MADE SANJAYA Irwan Setyowidodo, Bagus Jaya Santosa Karlin Karlin KIKI SEPTARIA KUSUMAWATI DWI LESTARI Lestari, Nurita Apridiana LILIK WAHYUNI PURLISSTYOWATI Mita Anggaryani Mosse, Yogi Muhammad Habibbulloh MUSLIMIN IBRAHIM Nadi Suprapto Novalianto, Muhammad Ramdhani Nurdiana, Gika Sukma Nurhaliza, Rahma Oktaviani, Rachma Dwi PERO NIKA FITRIANI Pramesti, Novia Putri, Rasamala I.W Putri, Safirda Adini Rahmatsyah Ramadhan, Yuansyah Dhaniar Ramdhayani, Eryuni Realita, Arie Rizki, Iqbal Ainur Rosmiati Rosmiati ROUDLOTUL JANNAH Rudiana Agustini Safitri, Shabrina Safrian, Alif Haidar Salsabila, Nur Rizqika Ghina Saputra, M. Rizky Satriawan, Muhammad Sa’adatud Daroin Situmeang, Adedio Daniel Solly Aryza Suaebah, Evi Sumarti, Sri Sungkono Sungkono Sunni*, Fajriatul Mufarriha Susanti, Fajaria Meli Suyatno Suyatno Sya'roni, Imam Syahri Syahri Syahri Syahri Titik Taufikurohmah TITIN SUNARTI Tjipto Haryono Tjipto Haryono Tjipto Prastowo Tjipto Prastowo Tsani, Elvira Silvia Uswatun Chasanah Utama Alan Deta Uulaa, Rizki Fitri Rahima Wahono Widodo Wasis Wasis winda pratiwi Yaumi, Yaumi YUNI SRI RAHAYU ZAINUL ARIFIN IMAM SUPARDI ZAINUL FATIK