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Journal : Journal of Geoscience, Engineering, Environment, and Technology

An Application of HVSR Method on Microtremor Data for Analysis of Earthquake Potential in Candipuro District, Lumajang, Indonesia Yatini, Y.; Kustanto Putra, Abdurrohim; Paripurno, Eko Teguh
Journal of Geoscience, Engineering, Environment, and Technology Vol. 8 No. 4 (2023): JGEET Vol 08 No 04 : December (2023)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2023.8.4.13460

Abstract

The Earthquake of 6.1 magnitude occurred on April 10, 2021, in Lumajang district. One affected area suffered building losses, road damage, and casualties in Candipuro District, Lumajang Regency, East Java. Then the research was conducted to determine the strength of the soil against the potential earthquake by micro zoning the area in Candipuro District. This research uses the microtremor method with HVSR (Horizontal to Vertical Spectral Ratio) analysis. Analysis of earthquake potential includes parameters of Ground Amplification (A0), Dominant Frequency (f0), Ground Vulnerability Index (Kg), and Ground Shear Strain (GSS). The acquisition was completed with 16 measurement points in Supiturang Village with 500 meters between points using the Portable Seismograph TDS - 303. The results obtained in Supiturang Village have the results of the amplification value factor which is classified as medium-high (2.7 - 8.7), low dominant frequency value (0.5 - 1.4 Hz), medium-high soil susceptibility index (10 - 90), VS30 value which includes medium - hard soil (187.81 - 548.38) m/s, and GSS value which shows the response of cracks and soil subsidence to shaking (2 x 10-5 - 2 x 10-4).
Co-Authors Aditya Pandu Wicaksono Aditya Zaenalfi Faozi Agung Yulianto Nugroho Agus Triyono Aminah Mimin Arif Rianto Budi Nugroho Arif Rianto Budi Nugroho Arif Rianto Budi Nugroho Awang Hendrianto Pratomo Benny Antony Kaban Berliyan Ramadhaniyanto Capoeira Capoeira Carolus Prasetyadi Daryono, Sapto Kis Dikau Mahardika Pratama Elisabet Isyana Rahayu Eni Muryani Esti Julistantie Faozi, Aditya Zaenalfi Fariz Dwi Prayogi Ficky Adi Kurniawan Galih Haryo Wisanggeni Gandar Mahojwala Gigih Aditya Pratama Gomareuzzaman, Muammar Haifani, Shodiq Hanifah Putri Indrasmara Hikmat Surbakti Hikmat Surbakti Indrasmara, Hanifah Putri Inggit Fandayati Jakiatin Nisa, Jakiatin JOHAN DANU PRASETYO Julistantie, Esti Juspri Nadeak Koesuma, Sorja Kurniawan, Ficky Adi Kustanto Putra, Abdurrohim Lestari, Puji Mahojwala, Gandar Mariany, Aria Marzun, Muhammad Hakiim Mohammad Zainudin Muammar Gomareuzzaman Nadeak, Juspri Nandra Eko Nugroho Nandra Eko Nugroho Nasrullah Nugrahajati, Susilastuti Dwi Nugroho , Arif Rianto Budi Nugroho, Arif Rianto Nugroho, Arif Rianto Budi Nugroho, Arif Riyanto Budi Nugroho, Nandra Eko Panji Dwi Ashrianto, Panji Dwi Prasetya, Johan Danu Prasetyadi, Carolus PUJI LESTARI PUJI LESTARI Purbudi Wahyuni PURBUDI WAHYUNI, PURBUDI Purnama, Anton Roy Purwanta, Jaka Purwanto, Hadi Rahayu, Elisabet Isyana Salma Rosikhatul Muniroh Sapto Kis Daryono Sapto Kis Daryono Sari Bahagiarti Kusumayudha Sari Bahagiarti Kusumayudha Sari Bahagiarti Kusumayudha Silvanto, Tri Suharsono Suharsono SUKIYANI Susilastuti Dwi Nugraha Jati Sutanto Sutanto Sutanto Sutanto Sutanto Sutanto Sutanto Sutanto Teguh Wibowo Try Udjang Ismail Utomo, Bambang Setya Wahyu Sugeng Triadi Wahyu Sugeng Triadi Wana Kristanto Wibowo, Elmi Windarti, Anissa Wintoro, Binjali Wiratama Putra Wisanggeni, Galih Haryo Yatini, Y. Yohana Noradika Maharani Yohana Norandika Maharani Yugyasmono