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All Journal Journal of Geoscience, Engineering, Environment, and Technology Angkasa: Jurnal Ilmiah Bidang Teknologi ComTech: Computer, Mathematics and Engineering Applications Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Journal of Applied Sciences, Management and Engineering Technology (JASMET) International Journal of Science and Society (IJSOC) Jurnal Ilmiah Geologi pangea Tanah Goyang: Jurnal Geosains Tanah Goyang : Journal of Geoscience
Kusumayudha, Sari Bahagiarti
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Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences

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Analysis of Groundwater Biological Parameters in Ponjong District, Gunung Kidul Regency, Special Region of Yogyakarta Sari, Avellyn Shinthya; Kusumayudha, Sari Bahagiarti; Suharsono, Suharsono; Prasetyadi, Corolus
Journal of Applied Sciences, Management and Engineering Technology Vol 4, No 2 (2023)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jasmet.2023.v4i2.5034

Abstract

This study shows that the condition of the well water tested based on physical, chemical and biological parameters to determine the feasibility of the water used by the surrounding community still meets the required quality standard thresholds. Although somewhat polluted because of the mining. Underground water in the karst area of Gunungkidul Regency is safe as raw water for drinking by residents and meets the standards set by the Indonesian Ministry of Health and Government Regulation Number 82 of 2001 concerning Water Quality Management and Water Pollution Control. If used as drinking water, it still has to go through water treatment or be heated to a certain boiling point, because it contains bacteria that may be harmful to humans.
Geochemical Correlation of Volcanic Rocks and Groundwater Quality in the Todoko-Ranu Complex, Sahu District, West Halmahera, North Maluku, Indonesia Laratmase, Lotong; Kusumayudha, Sari Bahagiarti; Harjanto, Agus
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 3 (2024): JGEET Vol 09 No 03 : September (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.3.15295

Abstract

The research area is located in the Mount Todoko-ranu complex and its surroundings, Sahu District, West Halmahera Regency, North Maluku, Indonesia. This area geologically consists of Quaternary volcanic rocks with various petrochemical composition. On the other hand, natural water found in the research area generally physically appears turbid, while people who take water from this sites actually need clean water. As it is known, groundwater quality is influenced by the geochemistry of the aquifer through which it flows, therefore it is important to conduct a study on the geochemical correlation of volcanic rocks and groundwater quality in the research area. Thus, the aim of this research is to examine the geochemical characteristics of Mount Todoko-Ranu complex volcanic rocks, to analyze groundwater quality, and to study the correlation between the geochemical characteristics of rocks and the quality of groundwater in this volcanic complex. Methodology applied in this study was geological mapping, rock samples testing to determine the mineralogy chemical composition, groundwater, and surface water samples testing to identify their quality, and then correlation analysis. The results show that andesitic and basaltic-andesite of calc-alcaline volcanic rock complex is correlative to no dominant cation, but bicarbonate anion, or mixing type of natural water.
Pengaruh Kehadiran Airtanah Terhadap Kerentanan Gerakan Massa di Daerah Kenalan dan Sekitarnya, Jawa Tengah Siahaan, Boi Haris; Kusumayudha, Sari Bahagiarti; Purwanto, Heru Sigit
Jurnal Ilmiah Geologi PANGEA Vol 11, No 1 (2024): Jurnal Ilmiah Geologi Pangea
Publisher : PROGRAM STUDI TEKNIK GEOLOGI FAKULTAS TEKNOLOGI MINERAL UPN VETERAN YOGYAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jigp.v11i1.11228

Abstract

Daerah penelitian termasuk dalam wilayah desa Kenalan, Kecamatan Borobudur, Kabupaten Magelang, berada pada koordinat 110o11’05”-110o14’15” BT dan 7o37’45”-7o40’05”LS, morfologi lereng datar hingga curam, sehingga rawan terhadap bencana gerakan massa. Batuan tersusun atas Satuan breksi andesit Kaligesing, Satuan lava andesit Kaligesing, Satuan batugamping Jonggrangan, Satuan endapan koluvium, dan Satuan endapan alluvial. Tujuan penelitian adalah melakukan analisis pengaruh keberadaan airtanah terhadap kejadian gerakan massa, menentukan faktor meamanan lereng yang berpotensi longsor, dan menyusun peta kerentaan gerakan massa di daerah penelitian. Metode penelitian menggunakan pendekatan kualitatif, kuantitatif, dan survey lapangan.  Analisis kestabilan lereng dilakukan terhadap 6 lereng, dengan hasil 3 lereng stabil, dan 3 lereng labil. Dari zonasi kerentanan gerakan massa, didapatkan 3 zona kerentanan. Zona dengan tingkat kerentanan rendah menempati 30% lokasi penelitian dengan muka airtanah berada pada kedalaman >20, dan terdapat 6 kejadian longsor. Tingkat kerentanan sedang menempati 45% lokasi penelitian dengan muka airtanah berada pada kedalaman 7-25m, dan terdapat 21 kejadian longsor. Tingkat kerentanan tinggi menempati 25% lokasi penelitan dengan kedalaman muka airtanah berada pada kedalaman <7m, dan terdapat 38 kejadian longsor. Muka airtanah berperan besar dalam menurunkan nilai faktor keamanan lereng. Proporsi kejadian longsor banyak terjadi pada daerah dengan muka airtanah rendah/dangkal dan pada sistem akuifer antar butir.
Pemodelan Bahaya Gempa Bumi Deterministik Berbasis Mikrotremor Berdasarkan Skenario Sesar Opak dan Dengkeng: Studi Kasus Kecamatan Depok, Sleman-Yogyakarta Trisnowati, Yuni Dwi; Maharani, Yohana Noradika; Budi Nugroho, Arif Rianto; Kusumayudha, Sari Bahagiarti; Suharsono, Suharsono
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Volume 13 Issue 1 April 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/euler.v13i1.31079

Abstract

The Subdistrict of Depok, with the largest population in Sleman Regency, is a region that drives economic, social, and cultural development. This growth further increases the risk of earthquakes, given the presence of the active Opak and Dengkeng Faults. Therefore, an earthquake hazard analysis using the worst-case scenario from the Opak and Dengkeng Faults is necessary for disaster mitigation efforts. This study aims to model deterministic earthquake hazards based on microtremor data using the worst-case scenario from the Opak and Dengkeng Faults. A geophysical approach is employed in this research by applying the Horizontal-to-Vertical Spectral Ratio (HVSR) method based on microtremor measurements. The HVSR method characterizes local site effects that influence ground shaking during an earthquake. The earthquake hazard analysis at the ground surface is conducted using the Deterministic Seismic Hazard Analysis (DSHA) method, considering local site effects based on microtremor measurement data. The DSHA results indicate high Peak Ground Acceleration (PGA) values, primarily due to the influence of the Opak and Dengkeng Faults, which suggest a significant risk of damage. The findings of this study can serve as input for spatial planning and disaster risk reduction management, particularly in Depok District, Sleman Regency, Special Region of Yogyakarta.
Geological Structural Control on the Distribution of Rock Alteration in Ngebel Lake and Surrounding Areas, Ponorogo, Indonesia Andy Wijaya; Kusumayudha, Sari Bahagiarti; Yudiantoro, Dwi Fitri; Yatini; Asfahani M. G.
International Journal of Science and Society Vol 7 No 2 (2025): International Journal of Science and Society (IJSOC)
Publisher : GoAcademica Research & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/ijsoc.v7i2.1424

Abstract

The Telaga Ngebel Complex is an area with an active geothermal system. Geothermal energy is considered a promising alternative energy source for the future, especially in light of the depletion of fossil fuels. In geothermal exploration, altered rocks serve as indicators of the presence of a geothermal system. The existence of an active geothermal system is closely related to alteration zones, which are, in turn, influenced by geological structures. This study aims to identify the structural controls on the distribution of alteration zones. The methods used include literature review, field surveys, remote sensing, sampling of altered rocks, and collection and measurement of structural data. The results show that the study area has a high density of structural lineaments in the southern part of the lake, as evidenced by the intersection of several strike-slip faults. These intersections serve as pathways for hydrothermal fluids to ascend. The alteration found in these high-density areas is predominantly propylitic alteration. Other types of alteration observed include argillic alteration.
Fasies gunungapi, dan evolusi magmatik berdasarkan analisis geokimia Kompleks Todoko-Ranu, Kecamatan Sahu, Halmahera, Maluku Utara Kusumayudha, Sari Bahagiarti; Laratmase, Lotong; harjanto, Agus
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 17, No 1 (2025): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v17i1.2637

Abstract

The Todoko-Ranu volcanic complex is situated in the Sahu District, West Halmahera Regency, North Maluku. Geomorphologically, this area shows various volcanic landforms, reflecting the development and changes in the characteristics of eruptive activities. Eruption characteristic of a volcano is influenced by the physical and chemical properties of magma. Todoko-Ranu volcanic complex was built by volcanic products, including lava deposits, pyroclastic deposits and lahar deposits, which have different geochemical compositions. Due to the variety compositions of rocks, it is important to carry out studies on magmatic evolution based on geochemical analysis in the area. This study is useful for knowing the characteristics of the eruption at that time. Thus, the aim of this research is to study and analyze the geochemistry of volcanic rocks in order to determine the magmatic evolution of the Todoko-Ranu volcanic complex. The method applied is mapping the distribution of rocks and geological structures, testing rock samples for petrographic analysis and geochemical analysis, then studying magmatic processes. The results of the study show that the volcanic rocks of the Todoko-Ranu complex originate from calc-alcaline and tholeiitic magma which was formed from oceanic plate partial melting in a convergent tectonic environment, then underwent an evolution from alkaline to more acidic due to the process of magma differentiation and assimilation.
Analisis Kualitas Airtanah Berdasarkan Sifat Fisik dan Kimia di Kemusu, Boyolali, Provinsi Jawa Tengah Joris, Kezia; Kusumayudha, Sari Bahagiarti; Harjanto, Agus; Helmi, Hurien
Tanah Goyang : Jurnal Geosains Vol 3 No 1 (2025): Tanah Goyang : Jurnal Geosains
Publisher : Program Studi Teknik Geofisika, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/tanahgoyang.3.1.9-17

Abstract

Sumur gali di daerah Kemusu dan sekitarnya di Kabupaten Boyolali diperuntukan untuk kebutuhan air minum sehingga sangat diperlukan analisis kualitas airtanah. Fisik dan kimia airtanah sangat dipengaruhi oleh batuan dan bagaimana kondisi lingkungan di permukaan. Berdasarkan hasil pengamatan di lapangan daerah penelitian disusun atas batupasir karbonatan, batulempung karbonatan, breksi andesit dan endapan alluvial. Pengukuran fisik dilakukan dengan pengukuran langsung pada sumur gali warga meliputi pengamatan warna, bau, rasa, kekeruhan, Daya Hantar Listrik, Total Dissolve Solid, Derajat Keasaman (pH), temperature dan secara kimia meliputi uji kadar besi (Fe), mangan (Mn), klorida (Cl-), sulfat (SO4), dan CaCO3. Berdasarkan pengukuran secara fisik nilai DHL dan TDS di sumur gali S9, S12, S3 airtanah tidak layak dikonsumsi dengan kadar DHL > 1000 dan menurut No.416/MENKES/PER/IX/1990. Secara kimia didasarkan pada kekeruhan air dan nilai TDS yang mewakili rendah dan tinggi sehingga dapat dijadikan perbandingan yaitu pada sumur S4, S5, dan S12. Hasil uji kimia menunjukkan bahwa sumur S4 dan S12 tidak layak dikonsumsi dikarenakan tingginya kadar sulfat diatas > 250mg/l. Kandungan CaCO3 yang tinggi namun masih tergolong aman dikarenakan litologi penysusun yang mengandung karbonat mempunyai kontak dengan airtanah.
Analisis Kualitas Airtanah Berdasarkan Sifat Fisik dan Kimia di Kemusu, Boyolali, Provinsi Jawa Tengah Joris, Kezia; Kusumayudha, Sari Bahagiarti; Harjanto, Agus; Helmi, Hurien
Tanah Goyang : Jurnal Geosains Vol 3 No 1 (2025): Tanah Goyang : Jurnal Geosains
Publisher : Program Studi Teknik Geofisika, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/tanahgoyang.3.1.9-17

Abstract

Sumur gali di daerah Kemusu dan sekitarnya di Kabupaten Boyolali diperuntukan untuk kebutuhan air minum sehingga sangat diperlukan analisis kualitas airtanah. Fisik dan kimia airtanah sangat dipengaruhi oleh batuan dan bagaimana kondisi lingkungan di permukaan. Berdasarkan hasil pengamatan di lapangan daerah penelitian disusun atas batupasir karbonatan, batulempung karbonatan, breksi andesit dan endapan alluvial. Pengukuran fisik dilakukan dengan pengukuran langsung pada sumur gali warga meliputi pengamatan warna, bau, rasa, kekeruhan, Daya Hantar Listrik, Total Dissolve Solid, Derajat Keasaman (pH), temperature dan secara kimia meliputi uji kadar besi (Fe), mangan (Mn), klorida (Cl-), sulfat (SO4), dan CaCO3. Berdasarkan pengukuran secara fisik nilai DHL dan TDS di sumur gali S9, S12, S3 airtanah tidak layak dikonsumsi dengan kadar DHL > 1000 dan menurut No.416/MENKES/PER/IX/1990. Secara kimia didasarkan pada kekeruhan air dan nilai TDS yang mewakili rendah dan tinggi sehingga dapat dijadikan perbandingan yaitu pada sumur S4, S5, dan S12. Hasil uji kimia menunjukkan bahwa sumur S4 dan S12 tidak layak dikonsumsi dikarenakan tingginya kadar sulfat diatas > 250mg/l. Kandungan CaCO3 yang tinggi namun masih tergolong aman dikarenakan litologi penysusun yang mengandung karbonat mempunyai kontak dengan airtanah.
Turning DIN 19682-7 Procedure of Infiltration Rate of Soils Test into the Mobile App for Cloud Storage Sulistyo, Totok; Kiptiah, Mariatul; Kusumayudha, Sari Bahagiarti; Cahyadi, Tedy Agung; Fajar, Reza Adhi
ComTech: Computer, Mathematics and Engineering Applications Vol. 16 No. 2 (2025): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v16i2.13000

Abstract

The in-situ soil infiltration test using A Double Ring Infiltrometer (DRI) apparatus can be conducted in the field according to DIN 19682-7 standards and procedures. As required by these standards, the traditional paper-based measurement form can be replaced with a new application developed to meet standard requirements. The DRI apparatus consists of two concentric rings placed in the soil, filled with water, while the outer ring maintains a constant water level. The water level drop in the inner ring is observed and recorded at regular intervals. The infiltration rate can be calculated for each interval by measuring the change in water height over time. This new application facilitates the automatic calculation of both the actual soil infiltration rate and the Horton soil infiltration model. Comparison tests between the application results and Excel calculations have yielded similar outcomes. The goal of this research is to develop a mobile web-based application for recording data and calculating soil infiltration measurements using the DRI method. The research methodology involves transforming the measurement procedure into a concept, designing the application, and then implementing that design. By replacing the paper-based process, this application will enhance the efficiency, accuracy, and flexibility of soil infiltration measurement projects in various locations. Furthermore, the data will be stored in the cloud, allowing for crowdsourced infiltration data collection and monitoring from any location, including the office.
Pengaruh Kehadiran Airtanah Terhadap Kerentanan Gerakan Massa di Daerah Kenalan dan Sekitarnya, Jawa Tengah Siahaan, Boi Haris; Kusumayudha, Sari Bahagiarti; Purwanto, Heru Sigit
Jurnal Ilmiah Geologi PANGEA Vol. 11 No. 1 (2024): Jurnal Ilmiah Geologi Pangea
Publisher : PROGRAM STUDI TEKNIK GEOLOGI FAKULTAS TEKNOLOGI MINERAL UPN VETERAN YOGYAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jigp.v11i1.11228

Abstract

Daerah penelitian termasuk dalam wilayah desa Kenalan, Kecamatan Borobudur, Kabupaten Magelang, berada pada koordinat 110o11’05”-110o14’15” BT dan 7o37’45”-7o40’05”LS, morfologi lereng datar hingga curam, sehingga rawan terhadap bencana gerakan massa. Batuan tersusun atas Satuan breksi andesit Kaligesing, Satuan lava andesit Kaligesing, Satuan batugamping Jonggrangan, Satuan endapan koluvium, dan Satuan endapan alluvial. Tujuan penelitian adalah melakukan analisis pengaruh keberadaan airtanah terhadap kejadian gerakan massa, menentukan faktor meamanan lereng yang berpotensi longsor, dan menyusun peta kerentaan gerakan massa di daerah penelitian. Metode penelitian menggunakan pendekatan kualitatif, kuantitatif, dan survey lapangan.  Analisis kestabilan lereng dilakukan terhadap 6 lereng, dengan hasil 3 lereng stabil, dan 3 lereng labil. Dari zonasi kerentanan gerakan massa, didapatkan 3 zona kerentanan. Zona dengan tingkat kerentanan rendah menempati 30% lokasi penelitian dengan muka airtanah berada pada kedalaman >20, dan terdapat 6 kejadian longsor. Tingkat kerentanan sedang menempati 45% lokasi penelitian dengan muka airtanah berada pada kedalaman 7-25m, dan terdapat 21 kejadian longsor. Tingkat kerentanan tinggi menempati 25% lokasi penelitan dengan kedalaman muka airtanah berada pada kedalaman <7m, dan terdapat 38 kejadian longsor. Muka airtanah berperan besar dalam menurunkan nilai faktor keamanan lereng. Proporsi kejadian longsor banyak terjadi pada daerah dengan muka airtanah rendah/dangkal dan pada sistem akuifer antar butir.
Co-Authors Agus Harjanto Andy Wijaya Arif Rianto Budi Nugroho Asfahani M. G. Avellyn Shinthya Sari Cahyadi, Tedy Agung Dwi Fitri Yudiantoro Helmi, Hurien Heru Sigit Purwanto Joris, Kezia Laratmase, Lotong Mariatul Kiptiah Prasetyadi, Corolus Reza Adhi Fajar Siahaan, Boi Haris Suharsono Suharsono Totok Sulistyo Trisnowati, Yuni Dwi Yatini Yohana Noradika Maharani