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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 Adin Fitra Irawan Ahmad Dzakir Ahmad Fitra Ahmad Hidayat Ahmad Hidayat Ahmad Hidayat Amniar Ati Andrias Armayanti Aris AS Aku, AS Astriana Napirah Ati, Amniar Bahtiar, . Christanto, Nugroho Christanto, Nugroho Djati Mardiatno Djati Mardiatno Eko Kiswanto Ema Hermawati Garusu Fadlan Arapah Bin Arifin Farid Restu Firmansyah Fitra Asgianti Lasahari Fitra Asgianti Lasahari Fitra Saleh Fitriani Fitriani Fitriani Fitriani Fitriyani Saudi Fitriyani Saudi Fuji Astuti Auza Garusu, Ema Hermawati Golok Jaya, La Ode Muhammad Gusti Ngurah Sudarmayasa Harisma Buburanda, Harisma Harudu La Hasria Hasria, Hasria Hikma Wati Ibrahim, Aris Ida Usman Ido, Irfan 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 Amaluddin, La Ode La Ode Arsad Sani La Ode Restele La Ode Restele Laode Muhammad Harjoni Kilowasid Leni Marlina Lisa Ismayanti M. Anggri Setiawan Makmur Jaya Arma 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 Nursalam La Ode Nurul Hasanah Patuna, Helpan Ergianto Purba, Joshua Rahma Musyawarah, Rahma Restele, La Ode Rumiani Rumiani Rusli Badaruddin Sainur Sainur Saudi Fitriyani Saudi, Fitriyani Septian Jackrianto Setiawan, M. Anggri Setiawan, Muhammad Anggri Sitti Kasmiati Sitti Kasmiati Sitti Kasmiati Sitti Kasmiati Solehati, Firda Surdin Surdin Tahir Tahir TAKDIR SAILI Terry Pakki W. Kurniawan Wa Ode Fitriani Yuni Lestari