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Journal of Geoscience Engineering and Energy (JOGEE)
Published by Universitas Trisakti
ISSN : 27155358     EISSN : 27226530     DOI : https://doi.org/10.25105/jogee.v3i2.13860
Core Subject : Science, Education, Engineering,
Civil Engineering, Building, Construction & Architecture Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics
The main aim of the Journal Geoscience Engineering and Energy (JOGEE) is to provide an open access platform to the articles that resulted of high-quality research works related with the geoscience and energy field. This is open for papers of geology (petrology; volcanology and geothermal; sedimentology and stratigraphy; paleontology; structural geology and seismology; petroleum geosciences; mineral deposits and coal mining; remotee sensing,; hidrogeology; marine geology and oceanography; geological engineering; environmental and geohazard mitigation; and also geotourism), geophysics (physical geology; exploration Geophysics), geochemistry, energy of renewable (geothermal; ..)and non-renewable energy (petroleum engineering; G&G method; mineral deposits, coal and energy resources management),dll. The Journal Geoscience Engineering and Energy (JOGEE) welcome the submission of manuscripts that meet the general criteria of significance and scientific excellence. It caters to the requirements of the geologist, researchers, academicians and also students, lab professional, and industry that is involved in geoscience studies. This journal publishes 2 numbers per year at least 8-9 articles. Papers will be published approximately 14 days after acceptance.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 148 Documents
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INTERPRETASI AWAL HUBUNGAN STRUKTUR GEOLOGI DAN TEKANAN FLUIDA PADA FORMASI MINAHAKI DAN FORMASI MENTAWA, CEKUNGAN BANGGAI: INITIAL INTERPRETATION BETWEEN GEOLOGICAL STRUCTURES AND FLUID PRESSURE AT MINAHAKI FORMATION AND MENTAWA FORMATION, BANGGAI BASIN Mazaya, Faza Auliya; Adhitama, Ramadhan
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Struktur geologi, terutama sesar, berperan penting dalam mengontrol distribusi dan pergerakan fluida di sistem reservoir. Sesar dapat menjadi penghalang atau jalur aliran, tergantung geometri, litologi, dan riwayat deformasinya. Penelitian ini mengkaji hubungan awal antara struktur dan tekanan fluida pada Formasi Minahaki, Cekungan Banggai, menggunakan interpretasi seismik 3D dan data tekanan sumur terbatas. Analisis menyoroti geometri serta lemparan sesar dan perbandingan gradien tekanan antar sumur, sebagai dasar konseptual studi lanjutan kuantitatif. Temuan ini masih bersifat deskriptif dan memerlukan verifikasi tambahan melalui integrasi data geologi dan petrofisika yang detail. Geological structures, especially faults, play an important role in controlling fluid distribution and movement within reservoir systems. Faults can act as barriers or flow pathways, depending on their geometry, lithology, and deformation history. This study examines the preliminary relationship between geological structure and fluid pressure behavior in the Minahaki Formation, Banggai Basin, using 3D seismic interpretation and limited well pressure data. The analysis focuses on fault geometry, fault throw variation, and pressure gradient comparisons between wells, forming a conceptual basis for further quantitative study. These findings remain descriptive and require additional verification through detailed geological and petrophysical data integration.
GEOMORFOLOGI DAERAH MEKARMUKTI, KECAMATAN WALURAN, KABUPATEN SUKABUMI, PROVINSI JAWA BARAT - INDONESIA: GEOMORPHOLOGY OF MEKARMUKTI, WALURAN DISTRICT, SUKABUMI REGENCY, WEST JAVA PROVINCE - INDONESIA Brillianti, Anisha Rizkiana; Pratiwi, Santi Dwi
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Penelitian ini dilakukan di daerah Mekarmukti, Kecamatan Waluran, Kabupaten Sukabumi, Provinsi Jawa Barat, yang merupakan bagian dari Geopark Ciletuh Palabuhanratu. Penelitian bertujuan untuk mengidentifikasi secara rinci karakteristik satuan geomorfologi yang berkembang serta mengelompokkan persebaran litologi penyusun pada masing-masing satuan geomorfologi. Analisis geomorfologi dilakukan melalui pendekatan penginderaan jauh menggunakan data DEM SRTM yang diolah dengan perangkat lunak ArcGIS serta didukung oleh observasi lapangan untuk pemetaan geomorfologi dan sebaran litologi sesuai kaidah ilmiah guna memadukan hasil interpretasi citra dengan kondisi aktual di lapangan. Kajian geomorfologi dilakukan berdasarkan tiga aspek utama, yaitu morfografi (bentuk lahan dan pola pengaliran), morfometri (kemiringan lereng), serta morfogenetik (proses endogen dan eksogen). Litologi penyusun daerah penelitian terdiri atas endapan sedimen pantai, batupasir tufaan, batupasir, breksi vulkanik, tuf, serta lava basaltik. Secara morfogenetik, wilayah penelitian dipengaruhi oleh aktivitas tektonik dan vulkanik serta proses pelapukan dan erosi. Berdasarkan integrasi ketiga aspek tersebut, daerah Mekarmukti dibagi menjadi empat satuan geomorfologi, yaitu perbukitan rendah struktural curam, perbukitan struktural curam, perbukitan denudasional landai, dan perbukitan denudasional curam. This research was conducted in the Mekarmukti area, Waluran District, Sukabumi Regency, West Java Province, which is part of the Ciletuh Palabuhanratu Geopark. The research aims to identify in detail the characteristics of developing geomorphological units and to classify the distribution of constituent lithology in each geomorphological unit. Geomorphological analysis was carried out through a remote sensing approach using SRTM DEM data processed with ArcGIS software and supported by field observations for geomorphological mapping and lithological distribution according to scientific principles in order to integrate image interpretation results with actual field conditions. Geomorphological assessment is conducted based on three main aspects, namely morphography (landforms and drainage patterns), morphometry (slope gradients), and morphogenetics (endogenous and exogenous processes). The constituent lithology of the research area consists of coastal sediment deposits, tuffaceous sandstone, sandstone, volcanic breccia, tuff, and basaltic lava. In terms of morphogenetics, the study area is affected by tectonic and volcanic activity as well as weathering and erosion processes. Based on the integration of these three aspects, the Mekarmukti area is divided into four geomorphological units, namely steep structural low hills, steep structural hills, gentle denudational hills, and steep denudational hills.
KARAKTERISTIK GEOMORFOLOGI DAERAH CARINGINNUNGGAL DAN SEKITARNYA, KECAMATAN CIRACAP, CILETUH, KABUPATEN SUKABUMI, PROVINSI JAWA BARAT: GEOMORPHOLOGICAL CHARACTERISTICS OF CARINGINNUNGGAL AND SURROUNDING AREA, CIRACAP DISTRICT, CILETUH, SUKABUMI REGENCY, WEST JAVA PROVINCE Puspita, Fadillah; Rosana, Mega Fatimah
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Daerah penelitian terletak di daerah Caringinnunggal, Kecamatan Ciracap, Kabupaten Sukabumi, Jawa Barat. Penelitian ini bertujuan untuk mengumpulkan data geologi permukaan yang rinci mengenai sebaran jenis batuan, satuan geomorfologi di daerah tersebut. Metode analisis karakteristik geomorfologi dilakukan berdasarkan penginderaan jauh menggunakan data DEM yang kemudian diolah menggunakan aplikasi ArcGIS, serta melakukan pengamatan kondisi di lapangan. Peta yang digunakan memiliki skala 1:12.500. Analisis karakteristik geomorfologi dilakukan berdasarkan aspek geomorfologi, yaitu morfografi (bentuk lahan dan pola pengaliran), morfometri (kemiringan lereng), dan morfogenetik (proses endogen dan eksogen). Daerah penelitian terdiri dari lima satuan geomorfologi yaitu perbukitan bergelombang denudasional, perbukitan denudasional agak curam, perbukitan rendah struktural curam, perbukitan bergelombang struktural, perbukitan struktural curam. The research area is located in the Caringinnunggal area, Ciracap District, Sukabumi Regency, West Java. This study aims to collect detailed surface geological data regarding the distribution of rock types, geomorphological units in the area. The method of geomorphological characteristic analysis is carried out based on remote sensing using DEM data which is then processed using the ArcGIS application, as well as observing conditions in the field. The map used has a scale of 1:12,500. The analysis of geomorphological characteristics is carried out based on geomorphological aspects, namely morphography (landforms and drainage patterns), morphometry (slope gradient), and morphogenetics (endogenous and exogenous processes). The research area consists of five geomorphological units, namely gently denudational hills, rather steep denudational hills, steep structural low hills, gently structural hills, steep structural hills.
ANALISIS DEFORMASI PERMUKAAN DAERAH BOGOR MENGGUNAKAN METODE PS-INSAR DENGAN DATA SENTINEL-1: ANALYSIS OF GROUND SURFACE DEFORMATION IN BOGOR AREA USING THE PS-INSAR METHOD WITH SENTINEL-1 DATA Anouw, Meldayan Monang; Triany, Novi; Widodo, Joko
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Deformasi permukaan merupakan fenomena geologi yang memerlukan pemantauan berkelanjutan, terutama di wilayah dengan pertumbuhan infrastruktur pesat seperti Bogor, Jawa Barat. Penelitian ini menganalisis pola deformasi permukaan di daerah Bogor menggunakan metode Persistent Scatterer Interferometric Synthetic Aperture Radar (PS-InSAR) dengan memproses 102 citra satelit Sentinel-1A/B periode Februari 2017 hingga April 2025. Pemrosesan PS-InSAR berhasil mengidentifikasi 6.687 titik PS yang tersebar di wilayah penelitian. Analisis spasial menunjukkan pola deformasi heterogen dengan subsiden tanah maksimum mencapai -8,95 mm/tahun di zona urban selatan, sementara pengangkatan hingga +3,12 mm/tahun terdeteksi di bagian utara. Integrasi dengan data geologi dan hidrogeologi menunjukkan bahwa deformasi permukaan dikontrol oleh mekanisme konsolidasi endapan vulkanik Kuarter yang belum terkompaksi sempurna, dikombinasikan dengan subsiden tekanan air pori akibat ekstraksi airtanah intensif dan pembebanan antropogenik. Kurva deret waktu mengungkapkan tren subsiden linear berkelanjutan dengan modulasi musiman yang konsisten dengan siklus hidrogeologi. Penelitian ini menunjukkan bahwa PS-InSAR sangat efektif untuk pemantauan deformasi permukaan dalam region urban vulkanik dan memberikan data baseline penting untuk mitigasi becncana geologi. Ground surface deformation is a crucial geological phenomenon requiring continuous monitoring, particularly in rapidly urbanizing regions with complex geology like Bogor, West Java. This study analyzed ground surface deformation patterns in the Bogor area using the Persistent Scatterer Interferometric Synthetic Aperture Radar (PS-InSAR) method by processing 102 Sentinel-1A/B satellite images from February 2017 to April 2025. PS-InSAR processing successfully identified 6,687 PS points distributed across the study region. Spatial analysis reveals heterogeneous deformation patterns with maximum subsidence reaching -8.95 mm/year in the southern urban zone, while uplift up to +3.12 mm/year is detected in the northern area. Integration with geological and hydrogeological data indicates that surface deformation is controlled by consolidation mechanisms of incompletely compacted Quaternary volcanic deposits, combined with pore pressure reduction from intensive groundwater extraction and anthropogenic loading. Time-series curves reveal continuous linear subsidence trends with consistent seasonal modulation with hydrogeological cycles. This research demonstrates that PS-InSAR is highly effective for surface deformation monitoring in volcanic urban regions and provides critical baseline data for geological hazard mitigation.
ANALISIS KESTABILAN LERENG TERHADAP KUAT GESER LANGSUNG PADA TAMBANG ANDESIT DAERAH RUMPIN, KABUPATEN BOGOR, JAWA BARAT: SLOPE STABILITY ANALYSIS BASED ON DIRECT SHEAR STRENGTH PARAMETERS AT THE ANDESITE QUARRY IN RUMPIN, BOGOR REGENCY, WEST JAVA Azlansyah, Muhammad; Yuda, Himmes Fitra; Amri, Muhammad Adimas; Koesmawardani, Wildan Tri
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Kegiatan penambangan andesit di Kecamatan Rumpin, Kabupaten Bogor, membentuk lereng curam yang berpotensi longsor dan membahayakan operasional tambang. Penelitian ini bertujuan menilai kestabilan lereng berdasarkan kondisi geologi dan sifat fisik-mekanik tanah menggunakan Metode Bishop dengan bantuan Slide 6.0. Data diperoleh melalui observasi lapangan, pengambilan sampel tanah tak terganggu pada empat titik, serta pengujian laboratorium untuk menentukan parameter kohesi, sudut geser dalam, bobot isi, permeabilitas, dan kadar air. Hasil menunjukkan lokasi tersusun oleh batuan andesit tanpa struktur geologi yang melemahkan. Nilai faktor keamanan berturut-turut sebesar 1,723 (A-A’), 1,235 (B-B’), 1,625 (C-C’), dan 1,556 (D-D’), serta 1,362 pada model rekomendasi B-B’. Secara umum lereng dalam kondisi stabil, namun tetap diperlukan pengelolaan drainase dan monitoring berkala untuk menjaga kestabilan. Andesite mining activities in Rumpin District, Bogor Regency, have created steep slopes with potential landslide hazards that may disrupt mining operations. This study aims to evaluate slope stability based on geological conditions and the physical–mechanical properties of the soil using the Bishop Method with the assistance of Slide 6.0 software. Data were obtained through field observations, undisturbed soil sampling at four locations, and laboratory testing to determine cohesion, internal friction angle, unit weight, permeability, and water content. The results indicate that the study area is composed of andesite rock without any weakening geological structures. The calculated safety factors are 1.723 (A-A’), 1.235 (B-B’), 1.625 (C-C’), and 1.556 (D-D’), with a value of 1.362 for the recommended model at section B-B’. Overall, the slopes are classified as stable; however, proper drainage management and periodic monitoring are still required to maintain stability.
PALEOGEOGRAFI RESERVOIR BATUPASIR A, B, DAN C BERDASARKAN DATA LOG, BATUAN INTI, DAN DIPMETER: STUDI PADA FORMASI BEKASAP, LAPANGAN RJ, CEKUNGAN SUMATRA TENGAH: PALEOGEOGRAPHY OF SANDSTONE RESERVOIR A, B, AND C BASED ON LOG DATA, CORE SAMPLES, AND DIPMETER: A STUDY OF THE BEKASAP FORMATION, RJ FIELD, CENTRAL SUMATRA BASIN Pangeran, Ragha Jabat; Herdiansyah, Firman; Setyorini, Dyah Ayu
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Cekungan Sumatra Tengah merupakan cekungan sedimen tersier krusial di Indonesia. Lapangan RJ yang berada di Cekungan Sumatra Tengah memiliki data yang menarik diantaranya data log dan batuan inti yang mampu memberikan informasi mengenai karakteristik litologi, lingkungan pengendapan, dan fasies sementara dipmeter memberikan informasi mengenai arus purba reservoir batupasir A, B, dan C. Meskipun penelitian paleogeografi di Cekungan Sumatra Tengah telah banyak dilakukan, akan tetapi penelitian yang menggunakan data dipmeter masih terbilang jarang, terlebih pada Formasi Bekasap dan lapangan RJ, serta potensinya masih belum sepenuhnya diperoleh. Penelitian ini bertujuan untuk mengetahui karakteristik litologi, fasies, dan arus purba reservoir batupasir A, B, dan C Formasi Bekasap, lapangan RJ, Cekungan Sumatra Tengah. Penelitian ini dilakukan dengan menggunakan metode integrasi analisis data log, deskripsi batuan inti, dan analisis dipmeter. Penelitian ini menghasilkan karakteristik litologi reservoir batupasir A dengan karakteristik litologi batupasir, kaolinit, putih, ukuran butir halus sampai kasar, tidak mengandung calcareous, sortasi buruk, reservoir batupasir B memiliki karakteristik litologi batupasir interlaminasi dengan batulanau, putih keabuan, ukuran butir sedang hingga halus, tidak mengandung calcareous, kekompakan keras, sortasi baik, dan reservoir batupasir C memiliki karakteristik litologi batupasir, very silty, clayey, glaukonit melimpah, abu-abu, hingga abu-abu muda, ukuran butir sangat halus, struktur calcareous, sortasi baik. Reservoir Batupasir A memiliki tiga jenis fasies yakni tidal bar axis, tidal bar off-axis, dan tidal bar margin, reservoir batupasir B dan C memiliki dua jenis fasies yakni tidal bar off-axis dan tidal bar margin. Reservoir batupasir A, B, dan C memiliki arus purba dominan arah timur laut-barat daya, dengan pola arus polymodal yang menunjukkan lingkungan pengendapan tidal bar. The Central Sumatra Basin is a crucial tertiary sedimentary basin in Indonesia. The RJ field in the Central Sumatra Basin has interesting data, including log data and core rock data that can provide information about lithological characteristics, sedimentary environments, and facies, while dipmeter data provides information about paleocurrents in sandstone reservoirs A, B, and C. Although paleogeographic research in the Central Sumatra Basin has been conducted extensively, research using dipmeter data is still relatively rare, especially in the Bekasap Formation and RJ field. Furthermore, its potential has not been fully explored. This study aims to determine the lithological characteristics, facies, and paleocurrents of sandstone reservoirs A, B, and C in the Bekasap Formation, RJ field, Central Sumatra Basin. This study was conducted using a method that integrated log data analysis, core rock description, and dipmeter analysis. This study produced the lithological characteristics of sandstone reservoir A with lithological characteristics of sandstone, kaolinite, white, fine to coarse grain size, and no calcareous content, poor sorting, sandstone reservoir B has interlaminated sandstone lithology characteristics with mudstone, grayish white, medium to fine grain size, does not contain calcareous, hard compactness, good sorting, and sandstone reservoir C has lithological characteristics of sandstone, very silty, clayey, abundant glauconite, gray to light gray, very fine grain size, calcareous structure, good sorting. Sandstone reservoir A has three types of facies, namely tidal bar axis, tidal bar off-axis, and tidal bar margin, while sandstone reservoirs B and C have two types of facies, namely tidal bar off-axis and tidal bar margin. Sandstone reservoirs A, B, and C have a dominant northeast-southwest paleocurrent, with a polymodal flow pattern indicating a tidal bar deposition environment.
GEOLOGI DAN INDIKASI MILONITIK PADA BATUAN GRANITOID DI DAERAH SANGGAU, KALIMANTAN BARAT, INDONESIA: GEOLOGY AND MYLONITIC INDICATION IN GRANITOID ROCK AT SANGGAU DISTRICT, WEST KALIMANTAN, INDONESIA Deva, Muhamad Deva Pratama; Meirawaty, Mira; Adhitama, Ramadhan; Yuda, Himmes Fitra; Anouw, Meldayan Monang
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Lokasi penelitian secara administratif terletak di Kabupaten Sanggau, Kalimantan Barat, yang secara fisiografis termasuk ke dalam Blok Kalimantan Barat. Penelitian ini bertujuan untuk memetakan kondisi geologi permukaan serta mengidentifikasi indikasi deformasi pada batuan granitoid berumur Mesozoikum. Metodologi yang diterapkan mencakup pemetaan lapangan, analisis geomorfologi, serta analisis struktur makro dan mikro (petrografi). Hasil penelitian menunjukkan bahwa daerah penelitian terdiri dari tiga satuan geomorfologi utama, yaitu Satuan Perbukitan Intrusif, Satuan Perbukitan Sisa, dan Satuan Dataran Denudasional. Stratigrafi regional di daerah penelitian tersusun atas Unit Metamorf Filitik (Paleozoikum), Unit Granitoid Formasi Embuoi (Mesozoikum), dan Unit Sedimen Tersier. Temuan utama dalam penelitian ini adalah teridentifikasinya zona geser (shear zone) yang intensif pada tubuh granitoid, yang dicirikan oleh kehadiran mikrostruktur milonit dengan tingkat deformasi rendah hingga tinggi. Hal ini mengonfirmasi adanya aktivitas deformasi brittle-ductile yang signifikan di wilayah tersebut. The research area is administratively located in Sanggau District, West Kalimantan, which physiographically belongs to the West Borneo Block. This study aims to map the geological conditions and identify indications of deformation in Mesozoic granitoid rocks. The methodology includes field mapping, geomorphological analysis, and macro and microstructural analysis. The results show that the research area consists of three main geomorphological units, there are the Plutonic Hill Unit, the Denudational Plain Unit, and the Residual Hill Unit. The stratigraphy consists of the Phyllitic Metamorphic Unit (Paleozoic), the Embuoi Formation Granitoid Unit (Mesozoic), and the Tertiary Sedimentary Unit. The main finding is the strong indication of shear zones within the granitoid body, characterized by the presence of low to high-grade mylonite microstructures. This confirms significant brittle-ductile deformation activity in the region.
GEOMORFOLOGI DAERAH CIJAMBE DAN SEKITARNYA, KECAMATAN CIJAMBE, KABUPATEN SUBANG, PROVINSI JAWA BARAT: GEOMORPHOLOGY OF CIJAMBE AREA AND SURROUNDINGS, CIJAMBE DISTRICT, SUBANG REGENCY, WEST JAVA PROVINCE Pratama, Muhammad Abel Rifky; Rendra, Pradnya Paramarta Raditya
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Pemetaan geologi merupakan kegiatan akademik yang bertujuan untuk mengidentifikasi, memetakan, menganalisis, menginterpretasi, dan menarik kesimpulan terkait kondisi geologi suatu wilayah. Dalam berbagai pendekatan yang digunakan dalam pemetaan geologi, studi geomorfologi merupakan pendekatan penting dalam mengawali pemetaan geologi. Studi ini bertujuan untuk mengidentifikasi, menganalisis, dan menginterpretasi geomorfologi daerah Cijambe dan sekitarnya, Kecamatan Cijambe, Kabupaten Subang, Jawa Barat. Metode yang digunakan meliputi analisis studio menggunakan media peta topografi, Digital Elevation Model (DEM), dan citra, serta observasi lapangan. Hasil penelitian menunjukkan bahwa daerah studi dapat dibagi menjadi lima satuan geomorfologi, yaitu satuan dataran rendah vulkanik (8% daerah studi), dataran rendah fluvial (12% daerah studi), perbukitan struktural agak curam (15% daerah studi), perbukitan rendah struktural agak landai (40% daerah studi), dan perbukitan denudasional agak curam (25% daerah studi). Geological mapping is an academic activity aimed at identifying, mapping, analyzing, interpreting, and drawing conclusions regarding the geological conditions of a region. Among the various approaches used in geological mapping, geomorphological study constitutes an important approach in initiating geological mapping. This study aims to identify, analyze, and interpret the geomorphology of the Cijambe area and its surroundings, Cijambe District, Subang Regency, West Java. The methods employed include studio analysis using topographic maps, Digital Elevation Models (DEM), and imagery, as well as field observations. The results indicate that the study area can be divided into five geomorphological units, namely the volcanic lowland unit (8% of the study area), fluvial lowland unit (12% of the study area), moderately steep structural hills unit (15% of the study area), gently sloping low structural hills unit (40% of the study area), and moderately steep denudational hills unit (25% of the study area).

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