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Journal : Indonesian Physical Review

SPATIAL STUDY OF SEISMIC HAZARD USING CLASSICAL PROBABILISTIC SEISMIC HAZARD ANALYSIS (PSHA) METHOD IN THE KENDARI CITY AREA Purba, Joshua; Restele, La Ode; Hadini, La Ode; Usman, Ida; Hasria, Hasria; Harisma, Harisma
Indonesian Physical Review Vol. 7 No. 3 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i3.325

Abstract

Kendari City is an area prone to earthquakes because it is in a seismic zone dominated by local faults such as the Lawanopo Fault, Kendari Fault, Buton Fault, Tolo Thrust and Matano Fault, as evidenced by significant seismic events like those in 2011 and 2022. The earthquake in 2011, with a magnitude of 6.0, struck Kolono District, South Konawe Regency, while the 2022 earthquake, registering a magnitude of 5.2, occurred in the sea approximately 5 km north of Soropia, Konawe Regency. With seismic activity such as the 2011 and 2022 earthquakes causing significant damage, understanding seismic hazards is critical. The research stage starts from Hazard Analysis using the Classical Probabilistic Seismic Hazard Analysis (PSHA) method to produce a hazard map that presents the distribution of peak ground acceleration on the surface, at periods 0 seconds (PGA), SA (T= 0.2 seconds) and SA (T= 1.0 seconds) for probabilities of exceedance 10% and 2% in 50 years, respectively. Classical Probabilistic Seismic Hazard Analysis (PSHA) processing uses OpenQuake Engine software. The analysis results show that the PGA value in Kendari City on the surface ranged from (0.49 - 0.68 g and 0.79 - 1.17 g), SA at T= 0.2 seconds (1.10 - 1.53 g and 1.74 - 2.09 g), and SA at T= 1 second (0.64 - 0.93 g and 1.35 - 1.91 g). This result indicates the potential for significant damage and shocks.
Co-Authors Abdul Rizal Adin Fitra Irawan Ahmad Dzakir Ahmad Fitra Ahmad Hidayat Ahmad Hidayat Ahmad Hidayat Ahmad Hidayat Amniar Ati Andrias Andrias Armayanti Aris AS Aku, AS Astriana Napirah Ati, Amniar Bahtiar, . Christanto, Nugroho Deki Zulkarnain Djati Mardiatno Djati Mardiatno Eko Kiswanto Ema Hermawati Garusu Fadlan Arapah Bin Arifin Farid Restu Firmansyah Fitra Asgianti Lasahari Fitra Saleh Fitrani Fitriani Fitriani Fitriani Fitriyani Saudi Fitriyani, Saudi Fuji Astuti Auza Fuji Astuty Auza G. Gerhana Garusu, Ema Hermawati Golok Jaya, La Ode Muhammad Gusti Ngurah Sudarmayasa Harisma Buburanda, Harisma Haslini, Haslini Hasria Hasria, Hasria Hikma Wati Ibrahim, Aris Ida Usman Irfan Ido Irsan, Laode Muhamad Jamal Harimudin Jufri Karim Junun Sartohadi Kasmar Kasmar Katrin Almeisa Khaerul Alaudin L.M Iradat Salihin La Aba La Harudu La Ode Agus Salim Mando La Ode Amaluddin La Ode Amaluddin, La Ode La Ode Arsad Sani La Ode Muhamad Munadi La Ode Nafiu La Ode Restele La Ode Restele La Ode, Nursalam La, Harudu Lasahari, Fitra Asgianti Leni Marlina Lisa Ismayanti M. Anggri Setiawan Mamat Ruhimat, Mamat Moh. Dede Muhammad Amrullah Pagala Muhammad Anggri Setiawan Munadi Munadi Musdalifa Musdalifa Musram Abadi Natsir Sandiah Nugroho Crhristanto Nur Hasanah NUR HASANAH Nurgiantoro Nurgiantoro Nurgiantoro, Nurgiantoro Nurhasanah Nurhasanah Nurhasanah Nurul Hasanah Patuna, Helpan Ergianto Purba, Joshua Rahma Musyawarah, Rahma Restele, La Ode Restu Libriani Rumiani Rumiani Rusli Badaruddin Sainur Sainur Saudi, Fitriyani Septian Jackrianto Setiawan, Muhammad Anggri Sitti Kasmiati Sitti Kasmiati Sitti Kasmiati Sitti Kasmiati Sitti Kasmiati Solehati, Firda Surahmanto Surdin Surdin, Surdin Tahir, Tahir TAKDIR SAILI W. Kurniawan Yuni Lestari