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Susatio, Raja
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science

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Analisis Potensi Longsor Menggunakan Metode Analytical Hierarchy Process pada Kecamatan Panekan, Kabupaten Magetan Susatio, Raja; Arrisaldi, Thema; Erzagian, Egy; Hanifi Mada Mahendra, Fathan
Jurnal Ilmiah MTG Vol 15 No 1 (2025): Jurnal Ilmiah MTG Volume 15 No.1 Tahun 2025
Publisher : Jurusan Teknik Geologi Fakultas Teknologi Mineral UPN "Veteran" Yogyakarta

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Abstract

Panekan Sub-district, Magetan Regency, is located on landslide prone area. To address this issue, a landslide susceptibility map is needed. This study aims to develop landslide susceptibility map for Panekan Sub-district using Analytical Hierarchy Process (AHP). AHP method was used to determine the weights and relative influence of five parameters which is slope, lithology, distance from structures, distance from rivers, and land use. The weight scores for each parameter are as follows: slope gradient (0,403), lithology (0,318), distance from structures (0,139), distance from rivers (0,084), and land use (0,056). Each parameter was analyzed spatially using Geographic Information System (GIS). AHP analysis produced map with values ranging from 0,99 to 4,31. Zonation was classified using the index method based on Regulation of Head of BNPB No. 2 of 2012. AHP analysis found that most areas of Panekan Sub-district are within medium hazard zone. These findings are expected to serve as a basis for local governments and communities to strengthen disaster mitigation and preparedness efforts.
Pengembangan Wisata Embung Berbasis Mitigasi Bencana pada Embung Setumpeng Desa Gentungan, Mojogedang, Karanganyar Susatio, Raja; Matin, Hashfi Hawali Abdul; Rachmawati, Siti; Setyono , Prabang; Sunarhadi, Muhammad Amin; Kusumaningrum, Lia
Jurnal Ilmiah MTG Vol 15 No 1 (2025): Jurnal Ilmiah MTG Volume 15 No.1 Tahun 2025
Publisher : Jurusan Teknik Geologi Fakultas Teknologi Mineral UPN "Veteran" Yogyakarta

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Abstract

Setumpeng Reservoir in Gentungan Village, Mojogedang Subdistrict, Karanganyar Regency was a lively tourism spot. Unfortunately, Covid-19 pandemic made the tourism activity in this area to cease indefinitely. As the tourism activity ceased, the reservoir became neglected. In the near future, Gentungan Village plans to redevelop Setumpeng Reservoir as tourist spot once again. Nevertheless, the possibility of disaster in the area pushes the necessities of planning based on disaster mitigation and reduction. This study aims to create a hazard map to support the sustainable development of Setumpeng Reservoir tourism spot. The method used in this research are field survey to identify potential hazard in the area directly. Hazard that was found in Setumpeng Reservoir area reservoir failure and landslides. Area with high hazard zone is located in downstream of reservoir as this area would face the direct impact of reservoir failures. Area with medium hazard zone can be found in the south of the reservoir that only face small scale landslides. The last area of low hazard zone located in the north of the reservoir as it doesn’t face neither reservoir failure nor landslides. Yet even the area is relatively safe, further study is necessary as it’s a paddy field. A study regarding foundation and building stability is a must.
Improving Landslide Susceptibility Using Groundwater Parameter in Samigaluh and Kalibawang Subdistricts Susatio, Raja; Sartohadi, Junun; Samodra, Guruh; Setiawan, Muhammad Anggri; Wilopo, Wahyu
Journal of Applied Geology Vol 10, No 1 (2025)
Publisher : Geological Engineering Department Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jag.106054

Abstract

Landslide susceptibility map is crucial in disaster risk management and it can be used for regional development plans. Landslide susceptibility map can be made by analyzing parameters that are assumed to affect landslides such as gradient slopes, geology, soil, and climate. Selection of landslide controlling parameters influences the accuracy of landslide susceptibility map. This study evaluates the effect of parameter that’s rarely used which is groundwater. The study area of this research was Kalibawang and Samigaluh Subdistricts, Kulonprogo, Special Region of Yogyakarta, Indonesia. Frequency ratio was used for the method along other parameters which is slope gradient, lithology, lineament density, land use, soil thickness. The result shows that groundwater parameter increase the accuracy by 22,29%. This study suggest that groundwater should be highly considered in landslide susceptibility mapping. In the other hand, groundwater depth mapping remains a challenge because most remote sensing method only detect shallow groundwater. Further research is necessary to develop better method for groundwater mapping using remote sensing or other indirect method.
Co-Authors Arrisaldi, Thema Erzagian, Egy Hanifi Mada Mahendra, Fathan Junun Sartohadi Lia Kusumaningrum, Lia Matin, Hashfi Hawali Abdul Samodra, Guruh Setiawan, Muhammad Anggri Setyono , Prabang SITI RACHMAWATI Sunarhadi, M. Amin Wahyu Wilopo