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Journal : Jurnal Fisika

Seismic Vulnerability Microzonation Using Hvsr Method in Kalisalak Hamlet, Garunglor Village, Sukoharjo Sub-District, Wonosobo District Ardiansyah, Adam; Adhi, Aryono; Wibowo, Nugroho Budi; SARWI; Budi Astuti; Cindiwati
Jurnal Fisika Vol. 14 No. 2 (2024): Jurnal Fisika 14 (2) 2024
Publisher : Universitas Negeri Semarang

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Abstract

Kalisalak Hamlet in Sukoharjo District is faced with the risk of landslides that can affect the structure of residents' houses. This study aims to identify potential landslide zones based on the parameters of Dominant Frequency (f_0), Amplification Factor (A_0), and Seismic Vulnerability (K_g)to determine areas that are potentially vulnerable to landslides. Microseismic measurements were carried out at 25 measurement points in the landslide zone. Measurements used a 3-component digital portable seismograph (North-South, West-East, and Vertical). Microseismic data were processed using Geopsy software with the HVSR (Horizontal-to-Vertical Spectral Ratio) method to obtain an H/V curve that provides Dominant Frequency (f_0) and Amplification Factor (A_0) values. The results showed that Kalisalak Village has a dominant frequency value between 3 Hz to 12.5 Hz and an amplification factor value between 1.4 to 6.8. This variation indicates that some areas are more susceptible to seismic vibration amplification. Based on the Dominant Frequency (f_0) value and Amplification Factor (A_0), a Seismic Vulnerability (K_g) microzonation map was created for Kalisalak hamlet with a value range of 0.2 to 7 with a high vulnerability value located in the landslide area south of the village. This map is important for disaster mitigation planning in Kalisalak hamlet.
Co-Authors Achmad Maulana Achsan Adam Ardiansyah Aditya Yoga Purnama Ahmad Zarkasi Andi Andi Andi Andi Annas, Mohamad Chairul Arif Gunawan Arif Sudrajat Arif, Iktifal Ajie Aryono Adhi, Aryono Azizah, Lailia Wafiq’atun Bilqis El Farsiyyi, Billqis El Farsiyyi Budi Astuti Bustari, Ahdian Azri C., Fathunajah Elsha Christalianingsih, Fathunajah Elsa Cindiwati Dea Mutiara Jannah Denny Darmawan Desi Mustami Limayukha, Desi Mustami Limayukha Elsa Fadlika Widyantari, Elsa Fadlika Widyantari Elsha C., Fathunajah Fajarningrum, Fitri Fathunajah Elsha C. Fathunajah Elsha Christalianingsih Hana Rosyida Heningtyas Heningtyas Icha Khaerunnisa Ika Kurnaiwati Ika Kurniawati Ilqia Rahma, Ilqia Rahma Imdadu Rohman Indar Mery Sulya A. Intifadhah, Sahara Hamas Ira Maya Fathonah Jannah, Dea Mutiara Juwita Nur Sembri Khaerunnisa, Icha Khafidh Nur Aziz Khoir, Fathir Yusron Khoirunnisa, Salma Kholis Nurhanafi Laila Katriani Lailli, Winni Nur Maulida, Nia Tri Meita Aulia Sari Meita Aulia Saru Merizka Marsyelina Mery S. A., Indar Mifta Arunahul Janah Muhammad Faza Syaddad Ar-rafi Mutiara Jannah, Dea Nining Pratiwi Novi Dwi Ariani, Novi Dwi Nur Faqhina Mentari Perdhana, Radhitya Petiwi, Gofur Dyah Ayu Gilang Pratama, Irfan Rahmania Sofyana Ulya, Rahmania Sofyana Ulya Rahmawati, Zeni Restiana, Sheira Anggi Rifka Addawiyah Rosyida, Hana S. A., Indar Mery Sahirah, Firyal Nida Salma khoirunnisa Sarwi Septiana, Rena Sorayawati, Riska Susanti Susanti Susanti, Dwi Budi Syaddad Ar- Rafi, Muhammad Faza Thaqibul Fikri Niyartama Thaqibul Fikri Niyartama Ulfa Fadhilah Umar Umar Umi Habibah Widianingrum, Erlina Widyaningrum, Erlina Wuri Handayani Yosaphat Sumardi Yoshaphat Sumardi Yuni Setiawati