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Contact Name
Rachmadhan
Contact Email
harmandwirachmadhan@gmail.com
Phone
-
Journal Mail Official
jgprism12@gmail.com
Editorial Address
Universitas Prisma, Jl. Pomorouw No. 113, Kel. Tikala Baru, Kec. Tikala, Manado, Sulawesi Utara.
Location
Kota manado,
Sulawesi utara
INDONESIA
Journal Geological Processes, Risks, and Integrated Spatial Modeling
Published by Universitas Prisma
ISSN : -     EISSN : 30464935     DOI : -
"Journal Geological Processes, Risks, and Integrated Spatial Modeling" (Jurnal Proses Geologi, Risiko, dan Pemodelan Spasial Terintegrasi) E-ISSN 3046-4935. Topik ini melibatkan pemahaman tentang berbagai proses geologi, risiko yang terkait dengan proses geologi, serta penerapan teknik pemodelan spasial untuk memahami dan mengelola risiko sebagai upaya pembangunan berkelanjutan. Proses geologi mencakup berbagai fenomena dan peristiwa yang terjadi di dalam maupun permukaan Bumi, seperti pergerakan lempeng tektonik, erosi, sedimentasi, aktivitas vulkanik, dan sebagainya. Proses geologi dapat menjadi pertimbangan terhadap risiko geologis dan dapat menjadi rujukan data untuk mengetahui pengaruh geologi terhadap lingkungan, dan infrastruktur. Seperti gempa bumi, letusan gunung api, longsor, erosi pantai, banjir, dan pencemaran tanah dan air oleh bahan kimia. Perkembangan ilmu dan data mengenai berbagai jenis proses geologis, faktor-faktor yang mempengaruhinya, serta konsekuensi sosial, ekonomi, dan lingkungan yang terkait. Jurnal ini juga membahas mengenai Pemodelan spasial terintegrasi melibatkan penggunaan teknologi untuk memvisualisasikan dan menganalisis data geologi secara spasial. Identifikasi pola dan tren, pemodelan risiko, serta pengambilan keputusan dalam pengelolaan risiko geologis.
Articles 5 Documents
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STUDI GEOLOGI DENGAN KAJIAN KONDISI HIDROGEOLOGI DI KECAMATAN AIRMADIDI, KABUPATEN MINAHASA UTARA, PROVINSI SULAWESI UTARA Kaunang, J. J.; Momongan, A. J.; Budiharso, A. S.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 1 No 2 (2023): JGPRISM: Journal Geological Processes, Risks and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

Groundwater is water content that accumulates in rock strata below the surface. Ground water is stored in the gaps between rock grains and cracks in the rock layer which will then be called an aquifer. The water contentstored and transported by spaces between grains, rock cavities, and cracks in rock. Groundwater can flow either vertically or lateral depending on the morphological, hydrological and geological conditions. The aim of this research is to determine the condition geology in Airmadidi District, North Minahasa Regency, North Sulawesi Province, and knowing the hydrogeological conditions. This research was carried out using qualitative analysis methods to determine geological and hydrogeological conditions. Using data from literature studies, analysis of each aspect, and observations in the field. From this research, 3 units were found lithology, namely the Tondano Pyroclastic unit, the Mount Klabat Pyroclastic unit, and the Mount Klabat Lava Flow unit, based on data It was concluded that the hydrogeological conditions in Airmadidi District, North Minahasa Regency, North Sulawesi Province using a tentative model to visualize subsurface conditions that have high groundwater productivity.
TEKTONIK GEOMORFOLOGI SESAR-SESAR YANG DIDUGA AKTIF DI DAERAH HILIR SUNGAI BONE, GORONTALO Masulili, F.; Djaya, A. E. P.; Walukow, J. L.; Bolung, R. Y.; Gafur, N. A.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 1 No 2 (2023): JGPRISM: Journal Geological Processes, Risks and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

The downstream area of ​​the Bone River is the center of government, economy and settlement in Gorontalo Province. This area is located in the North Arm of Sulawesi which is tectonically and seismically active and is directly influenced by the Sangihe Tunjaman in the eastern partand Tunjaman Sulawesi in the north. However, information regarding active faults in disaster mitigation efforts is still very minimal. For the first time, we have mapped active faults around the lower reaches of the Bone River based on morphometric interpretation protection index red relief image map (MPI-RRIM). The Pancuran normal fault and the Bondawuna normal fault on the south side show this evidence of Quaternary activity, compared to the normal Lombongo fault on the north side. Based on the empirical relationship between moment magnitude and length of surface cracks, these faults have the potential to produce earthquakes of 6.3 ~ 6.7 Mw. Besides Therefore, our research found that the flood disasters that often hit this area are not only influenced by climate and urbanization, but also controlled by tectonic activity. Understanding active cesarean delivery is very important in improving education community related to disasters, and also as basic information in regional development planning.
ANALISIS TINGKAT KERAWANAN LONGSOR MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS (SIG) PADA KECAMATAN TOMOHON BARAT DAN UTARA KOTA TOMOHON PROVINSI SULAWESI UTARA Luntungan, P. B. G.; Rachmadhan, H.D.; Tandipajung, J.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 1 No 2 (2023): JGPRISM: Journal Geological Processes, Risks and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

Natural disasters are natural events that can occur anywhere and at any time, causing material and material losses immaterial to people's lives. Landslides are one of the natural disasters that generally occur in mountainous areas, especially in the rainy season. West and North Tomohon sub-districts are areas that have the potential to experience landslides because the morphology of North and West Tomohon District varies, such as highlands, mountains and hills. One of The way that can be applied to estimate landslide disasters is to use an application that is able to take inventory affected locations, namely geographic information systems that have the ability to store, process, analyze andpresents geographically referenced data. In this research, soil vulnerability analysis was carried out using the weighting method and Scoring. The creation of this landslide susceptibility map is the result of overlaying secondary data such as DEM, cover maps land, rainfall data, regional geological maps, and soil type maps. Determining the level of landslide vulnerability is carried out by: multiplying the score by the weight for each parameter and then adding up the results for age. The value is classified into 4 landslide-prone zones, namely low, medium, high and very high. This research produces a landslide prone zoning map divided into 3 classes of vulnerability, namely medium class in Woloan Village, high class in Kaskakasen and Kayawu Village and Very high class in Taratara and Kinilow Villages. Based on five factors that influence landslide disasters, bulk factors Rain has the highest score which is the most dominant factor in influencing the occurrence of landslides. ResultsIt is hoped that the research carried out can be used as basic information for disaster mitigation, andregional development
KONDISI HIDROGEOLOGI DAERAH BUMBUNGON, KECAMATAN DUMOGA, KABUPATEN BOLAANG MONGONDOW, PROVINSI SULAWESI UTARA Jufri, S. F. T.; Utomo, A. P.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 1 No 2 (2023): JGPRISM: Journal Geological Processes, Risks and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

Water is a transparent substance in the form of a liquid that forms rivers, lakes, seas and rain and is the main element in human life. Without water, various life processes for animals, plants and humans would not be possible taking place. This research aims to determine the geological and hydrogeological conditions in the Bumbungon area, District Dumoga, Bolaang Mongondow Regency, North Sulawesi Province. Next, researchers observed the well distribution points forused in making well distribution maps. The well distribution points are made into a map of the distribution of ground water levels (MAT) with the Inverse Distance Weighted (IDW) method. In this research, subsurface data analysis was also used to determine subsurface geology. The groundwater level is calculated based on the land surface elevation minus the value with the depth of the ground water table. The direction of groundwater flow can be determined from the groundwater level contour. Result of MAT measurements at 25 well points in the research area were 0.9 - 6.8 meters. Therefore, groundwater flows in regional areas research flows southwest, east, and southeast. From the results of correlation of subsurface data in the research area has 2 types of groundwater aquifer systems, namely free groundwater with a depth of up to (0-6) meters and groundwater aquifer systems depressed, with a depth of up to (20-30) meters below the surface. The recharge area in the research area is located at the northwest and southeast areas of the research area and the discharge area or discharge area is in the middle of the research area, namely on (Dumoga River), and has a local groundwater flow system.
INTERAKSI VULKANIK DAN TEKTONIK DI PULAU SANGIHE DAN GUNUNG AWU: SEBUAH STUDI INTEGRATIF DALAM KONTEKS GEOLOGI INDONESIA Rachmadhan, H. D.; Djaya, J.H.M.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 1 No 2 (2023): JGPRISM: Journal Geological Processes, Risks and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

This study delves into the geology and geodynamic processes of Sangihe Island and Mount Awu in North Sulawesi, Indonesia, within the Pacific Ring of Fire. Sangihe Island is renowned for its intensive volcanic activity and significant tectonic phenomena. The primary focus of this study is to understand the complex stratigraphy and the interaction between volcanic and tectonic processes that shape the unique geology of this region. Research methods include field observations, petrographic analysis, and data integration to reveal the history and variety of volcanic activities, as well as the diversity of rocks such as tuff, basalt, and andesite that form the island landscape through Plinian eruptions, lava flows, and pyroclastic deposits. Tectonically, Sangihe Island lies in the subduction zone between the Pacific and Eurasian Plates, creating seismic patterns and crustal deformations that are significant. The study also uncovers subsurface structures and fault systems that influence tectonic activities in the region, providing deep insights into the geodynamic processes at play. The implications of this research include geohazard risk mitigation and sustainable natural resource management. This study makes a significant contribution to understanding the geological complexity of the Pacific Ring of Fire, emphasizing the importance of interactions between volcanic and tectonic processes in shaping dynamic and hazardous geological landscapes.

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