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All Journal Techno: Jurnal Penelitian Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Riset Fisika Indonesia Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung Jurnal Teknik dan Teknologi Indonesia OPHIOLITE : Jurnal Geologi Terapan Nemui Nyimah
Nanda Hanyfa Maulida
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Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Physics Other

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Distribusi Frekuensi-Magnitudo Gempa Mikro Akibat Aktivitas Stimulasi Hidrolik pada Lapangan Panas Bumi Tipe Hot Dry Rock (HDR) Nanda Hanyfa Maulida; Muhamad Firdaus Al Hakim; Hesti; Suharno
Jurnal Teknik dan Teknologi Indonesia Vol. 1 No. 3 (2023): Desember : Jurnal Teknik dan Teknologi Indonesia (JTTI)
Publisher : Arsil Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62287/jtti.v1i4.67

Abstract

A series of hydraulic stimulations were conducted to enhance permeability and increase the production of hot fluid in a Hot Dry Rock (HDR) geothermal field. The stimulation involved injecting water into the hot rock, inducing hydraulic fracturing and resulting in over 2000 micro-earthquake events within the field. Utilizing existing microearthquake data, an analysis of the microearthquake distribution was performed, along with calculating the gradient of the frequency-magnitude distribution of microearthquakes (b-value) to assess the heterogeneity conditions induced by high pore pressure. The hypocenter distribution is centered around injection and production locations, displaying a trend that aligns with the main structure trending southwest to northeast. The mapping of b-values indicates elevated values in the hydraulic stimulation area, believed to be associated with increased pore pressure resulting from the higher fluid volume in that region. Moreover, high b-values were identified beneath the production area, suggesting the potential migration of injection fluid from the hydraulic stimulation process.
Karakterisasi Sistem Panas Bumi Non-Vulkanik pada Manifestasi Air Panas Biatan Bapinang: Studi Pendahuluan Maulida, Nanda Hanyfa; Puspita, Octa Della; Hidayatika, Akroma; Mulyasari, Rahmi
OPHIOLITE: Jurnal Geologi Terapan Vol 6 No 2 (2024): OKTOBER 2024
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56099/ophi.v6i2.p80-91

Abstract

The emergence of hot spring manifestations in Biatan Bapinang, East Kalimantan, is intriguing due to its location, far from active volcanic and tectonic regions. This study aims to investigate possible causes and characteristics of this geothermal system using geological analysis and Bouguer anomaly distribution. Regional geological data and a Digital Elevation Model (DEM) were used to examine rock formations and potential structures that could serve as pathways for hot fluid migration. Bouguer anomaly distribution provided insights into density variations associated with basement depth. Findings indicate that the Biatan Bapinang hot spring manifestation lies at the boundary between a sedimentary basin and a basement uplift. The fluid likely originates from the sedimentary basin, with basement uplift potentially enhancing heat flow that warms subsurface water. Lithological boundaries and possible subsurface structures create preferential pathways for hot fluids to reach the surface. This study suggests that the Biatan Bapinang geothermal system is a non-volcanic, intraplate basin-type system, with a probable heat source from terrestrial heat flow concentrated by the basement uplift and local geological configuration. This research opens opportunities for further studies on geothermal potential in non-volcanic regions, especially in the Biatan area.
Identification of Eruption Centers, Volcanic Products, Vegetation Stress, and Lineament Structures in the Mount Raung Geothermal Prospect Area Using Landsat-8 and Sentinel-1A Data Processing Maulida, Nanda Hanyfa
TECHNO: JURNAL PENELITIAN Vol 14, No 1 (2025): TECHNO JURNAL PENELITIAN
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v14i1.9726

Abstract

Mount Raung is one of the active volcanic mountains which have geothermal potential. To investigates the Mount Raung geothermal prospect area in East Java, Indonesia, we use remote sensing method with Landsat-8 and Sentinel-1A data. The analysis focuses on identifying eruption centers, mapping volcanic products, assessing vegetation stress, and delineating lineament structures to provide an initial overview of the prospect zone in the area. Remote sensing methods were applied through image processing techniques including NDVI analysis, optical band composites, and radar-based structural mapping. The results indicate that Mount Raung has a large, dry caldera with multiple eruption centers and significant volcanic deposits. Several areas showed vegetation stress, potentially linked to surface geothermal manifestations. Structural analysis using SAR data revealed high lineament density, especially in the southwestern and southern regions of Mount Raung, which also coincide with vegetation stress zones. These areas are considered to have high geothermal potential due to favorable permeability conditions. The integration of optical and radar data expected to be an effective approach in the preliminary exploration of geothermal resources.
Identifikasi Akuifer Air Tanah menggunakan Metode Geolistrik di Perumahan Gang Jati Baru, Hajimena, Natar, Lampung Selatan Kumalasari, Isti Nur; RahmiMulyasari, Rahmi; Dewanto, Ordas; Mulyatno, Bagus Sapto; Wibowo, Rahmat Catur; Maulida, Nanda Hanyfa; Hidayatika, Akroma; Hesti, Hesti; Dani, Ilham; Erfani, Sandi
Jurnal Riset Fisika Indonesia Vol 5 No 2 (2025): Juni
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v5i2.6504

Abstract

Groundwater is a basic human need. However, the residents of Perumahan Gang Jati Baru, Hajimena, Natar face significant challenges in meeting their water demands, particularly during the dry season when water availability is critically reduced. To explore groundwater resources in Perumahan Gang Jatibaru, geoelectric measurements need to be conducted. The Schlumberger configuration is used for 1D measurements, while the Wenner-Schlumberger configuration is used for 2D data acquisition. The modeling results indicate the presence of shallow groundwater aquifers at depths ranging from 11.1 to 28.3 meters, and deeper aquifers at depths between 42.7 and 79 meters, characterized by low resistivity values of approximately 13.2 13.2 ohm.m. These findings are corroborated by the 2D resistivity modeling conducted at the study site, which reveals a shallow low-resistivity anomaly (<15.2 13.2 ohm.m) occurring at depths of 10 to 28 meters.     
BANTUAN TEKNIS PEMBUATAN PETA GARIS, DESA CANDIMAS, KECAMATAN ABUNG SELATAN, KABUPATEN LAMPUNG UTARA, PROVINSI LAMPUNG Tridawati, Anggun; Sari, Atika; Hanyfa, Nanda; Kumalasari, Isti Nur; Setiadi, Gege Iwang
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 8 No. 2 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v8i2.489

Abstract

Indonesia adalah negara kepulauan terbesar dengan populasi yang tersebar di berbagai wilayah, memiliki kondisi geografis dan karakteristik masyarakatnya yang beragam. Hal ini menjadi peluang dalam melaksanakan pemerataan pembangunan di negera ini khususnya di tingkat desa dalam menjalankan program pemberdayaan. Namun permasalahannya adalah banyak desa yang belum memiliki peta sebagai dasar perencanaan pembangunan desa, khususnya desa Candimas. Sehingga tujuan pengabdian ini adalah pembuatan peta garis Desa Candimas. Metode yang digunakan adalah studi literatur, sosialisasi, pengumpulan data, digitasi, dan penyajian peta. Hasil dari pengabdian ini berupa peta garis Desa Candimas skala 1:7500 yang menginformasikan penggunaan lahan diantaranya adalah sawah, fasilitas umum, bangunan, vegetasi, pemukiman, dan perkebunan. Peta tersebut dimanfaatkan sebagai bahan identifikasi wilayah-wilayah yang memerlukan perhatian khusus, sehingga program pemberdayaan dapat dijalankan dengan lebih efektif dan efisien
Studi Komparatif Karakteristik Fluida Manifestasi Daerah Upflow dan Outflow pada Sistem Geotermal Tangkuban Perahu Maulida, Nanda Hanyfa; Suharno; Sarkowi, M.; Hidayatika, A.
Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Vol. 7 (2024): Prosiding Seminar Nasional Ilmu Teknik dan Aplikasi Industi (SINTA) 2024
Publisher : Fakultas Teknik Universitas Lampung

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Abstract

Energi geotermal atau panas bumi merupakan salah satu sumber energi terbarukan yang memiliki potensi besar untuk dimanfaatkan sebagai alternatif energi. Dalam tahap eksplorasi, pemahaman mengenai sistem panas bumi sangatlah penting agar pemanfaatan energi geotermal menjadi optimal. Penentuan zona upflow dan outflow yang tepat juga memiliki peran yang sangat penting dalam penentuan pengembangan sumur geotermal. Selain dapat dibedakan dengan melihat karakteristik geologi maupun morfologinya, zona upflow dan outflow juga dapat dibedakan dengan menganalisa komposisi kimia dari fluida manifestasi yang ada pada dua zona tersebut. Berdasarkan hasil analisis karakteristik fluida yang dilakukan pada zona upflow dan outflow pada Sistem Geotermal Tangkuban Perahu, dapat diidentifikasi perbedaan signifikan dalam komposisi kimia, pH dan temperatur. Pada zona upflow, temperatur fluida cenderung tinggi (mendekati titik didih), pH yang lebih asam, kandungan Cl serta SO4 yang tinggi dan kandungan HCO3 yang rendah. Sedangkan pada zona outflow, temperatur fluida lebih rendah, pH cenderung netral, kandungan Cl serta SO4 yang rendah dan kandungan HCO3 yang tinggi. Perbedaan ini menunjukkan adanya proses geokimia yang berbeda antara kedua zona. Zona upflow cenderung minim proses interaksi dengan air meteorik maupun dengan batuan sekitar, sementara pada zona outflow kemungkinan adanya percampuran dengan air meteorik dan interaksi dengan batuan sebelum muncul di permukaan cenderung lebih besar.
Penguatan Mitigasi Dan Edukasi Tanggap Darurat Tsunami Di Desa Batu Balak, Lampung Selatan Rasimeng, Karyanto; Rasimeng, Syamsurijal; Maulida, Nanda Hanyfa; Mulyasari, Rahmi; Sinambela, Rudy Zefrianto
Nemui Nyimah Vol. 4 No. 1 (2024): Nemui Nyimah Vol.4 No.1 2024
Publisher : FT Universitas Lampung

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Abstract

The tsunami is a worrisome natural disaster typically in coastal areas, including Batu Balak Village in South Lampung. The Selat Sunda tsunami on December 22 2018 hit the Batu Balak Village residents and resulted in material and non-material losses. The unpreparedness of the residents who experienced this incident is a reminder of the urgency of the need to increase community preparedness in facing this threat. On this basis, service activities were carried out to strengthen mitigation and education on tsunami emergency response in Batu Balak Village, South Lampung. This service activity aims to strengthen the mitigation process and educate the community regarding the potential for a tsunami disaster in the Batu Balak area. Another purpose is to increase public knowledge of disaster management. The methods used in this service are needs analysis, solution design, program assistance, and implementation. Based on the problem analysis, we carried out a workshop event on tsunami disaster mitigation, how to increase the social economy by utilizing geotourism, and made a recommendation map for tsunami evacuation routes and zones. The workshop event was attended by several residents and community leaders. The results obtained from this activity are an increased understanding of the people who present regarding the tsunami disaster, what mitigation processes need to be implemented when a disaster occurs, and how to handle the loss after the disaster.
Co-Authors Atika Sari Bagus Sapto Mulyatno Dani, Ilham Erfani, Sandi Hesti Hesti Hesti Hesti Hidayatika, A. Hidayatika, Akroma Kumalasari, Isti Nur M. Sarkowi, M. Muhamad Firdaus Al Hakim Mulyasari, Rahmi Ordas Dewanto Puspita, Octa Della Rahmi Mulyasari RahmiMulyasari, Rahmi Rasimeng, Karyanto Rasimeng, Syamsurijal Setiadi, Gege Iwang Sinambela, Rudy Zefrianto Suharno Tridawati, Anggun Wibowo, Rahmat Catur