Similaritas Jurnal: Microzonation on The Earthquake Hazard as a Disaster Mitigation Effort in The Special Region of Yogyakarta

Riswandi, Herry and Maharani, Yohana Noradika and Rizkiyanto, Yodi and SYAIFUDIN, Muhamad (2022) Similaritas Jurnal: Microzonation on The Earthquake Hazard as a Disaster Mitigation Effort in The Special Region of Yogyakarta. LPPM Universitas Pembangunan Nasional Veteran Yogyakarta. (In Press)

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Abstract

The Special Region of Yogyakarta is tectonic with a high level of risk of earthquake disasters. This condition is due to the location of Yogyakarta which is closer to the subduction zone of the Indo�Australian Plate to the Eurasian Plate in the Indian Ocean in the South of Java Island and there is a very active Opak fault on land. The history of destructive earthquakes in Yogyakarta due to the Opak fault
activity last occurred on 27 May 2006. The earthquake caused 5,782 deaths, dozens were injured, and hundreds of thousands of houses were damaged. This study aims to identify potential earthquake hazards using the microzonation method to evaluate and map areas that have a high earthquake risk based on the calculation of the maximum soil acceleration (PGA) value in bedrock and Vs30 data as a site characterization due to the influence of local soil conditions. In this study, the methods used are the calculation of Probabilistic Seismic Hazard Analysis (PSHA), the HVSR inversion method and the Multichannel Analysis of Surface Waves (MASW). Based on the calculations, a map of the maximum ground acceleration (PGA) in the bedrock and a map of the maximum ground acceleration at the ground surface are generated which can be used as considerations in determining the rules regarding the design/standard of earthquake-resistant buildings as an effort to mitigate earthquakes.

Item Type:	Other
Subjects:	Q Science > QE Geology
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Dr., ST.MT HERRY RISWANDI
Date Deposited:	23 May 2023 13:36
Last Modified:	23 May 2023 13:36
URI:	http://eprints.upnyk.ac.id/id/eprint/35596

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