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All Journal Journal of Geoscience, Engineering, Environment, and Technology Jurnal Penelitian Pendidikan IPA (JPPIPA) EnviroScienteae JRST (Jurnal Riset Sains dan Teknologi) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Jambura Geoscience Review J SIG (Jurnal Sains Informasi Geografi) J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Jurnal Inovasi Pengabdian Masyarakat Pendidikan Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Journal of Geoscience Engineering and Energy (JOGEE) Journal of Earth Energy Science, Engineering, and Technology Geosfera: Jurnal Penelitian Geografi JAGE Geographica: Science and Education Journal Jurnal Riset dan Pengabdian Interdisipliner
Ronal Hutagalung
Universitas Negeri Gorontalo
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Identifikasi Bidang Gelincir Longsor Berdasarkan Metode Electrical Resistivity Tomography (ERT) di Desa Tolango, Kabupaten Gorontalo Utara Tya Ivanka Hiola; Ahmad Zainuri; Ronal Hutagalung
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.32373

Abstract

This study aims to analyze the geological conditions and landslide potential in Tolango Village, Anggrek District, North Gorontalo Regency. The research area is predominantly composed of two main lithological units: andesite and alluvial deposits. Field observations, petrographic analysis, and structural measurements were carried out to determine the geological characteristics. In addition, geoelectrical surveys using the Electrical Resistivity Tomography (ERT) method were conducted to interpret subsurface conditions. The results show that the upper layer (1.25–3.75 m) consists of clayey soil with low resistivity values (8.10–100 Ωm), while the lower layer (up to 15.9 m) is composed of andesite bedrock with higher resistivity values (101–7,600 Ωm). A potential slip surface was identified at the contact between these two layers, which becomes critical when water infiltration increases during the rainy season. Structural features such as thrust faults and joints were also observed, indicating tectonic influence on slope instability. Overall, the integration of geological and geophysical data confirms that the area is highly susceptible to landslides, particularly on steep slopes with impermeable clay-rich layers overlying resistant bedrock.
Geologi dan Analisis Pencemaran Logam Berat Menggunakan Indeks Geoakumulasi di Daerah Tulabolo Timur, Bone Bolango Nurmasita Dewi Sahido; Yayu Indriati Arifin; Ronal Hutagalung
Journal of Applied Geoscience and Engineering Vol 4, No 2 : Desember 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jage.v4i2.37127

Abstract

The purpose this study is to assess geological conditions and levels of heavy metal pollution arround the artisanal gold mining area in East Tulabolo, East Suwawa District, Bone Bolango Regency, to understand its impact on the environment. This study includes geomorphological, stratighraphic, and geological structural analyses as well as measurements of heavy metal content such as arsenic (As), mercury (Hg), and lead (Pb) in river sediments. The metods used include field surveys, sampling, and laboratory analysis with ICP-MS. While pollution levels were analyzed using the Geoaccumulation Index (Igeo). The result showed that heavy metal concentrations exceeded safe limits, with the highest accumulation found in tailling sediments.. The Igeo analysis indicated a mild level of pollution due to the high concentration levels in the control area. This study emphasizes the need for sustainable waste management and ongoing contamination monitoring, including biota and groundwater sampling, to indetify risks of bioaccumulation and movement of contaminants into the wider eccosystem.
Co-Authors Agustinus Sosang Ahmad Zainuri Aisyah Alya H Panai Alfi Ilda Sasmida Alifia Widya Warapsari Badaru Alifia Widya Warapsari Badaru Alya Rahmawati Panai Amalia Putri Paputungan Anastasya Putri Bengga Anggun Farwati M Abdullah Anisa Sawitri B. Bania Aprilia Mohune Candrawati Pulogu chisilia maloho Cinta Mutia Panto Dewi Rahmawaty Isa Dicky Rahmansyah S. Tone Diwa Ahmad Luly Djamal Adi Nugroho Uno I Gede Sindu Pratama Indriani Indriani Intan Noviantari Manyoe Ivan Taslim Jingga Hamdata Kasim, Muhammad M. Iqbal Liayong Pratama Maryati, Sri Moh Al-Fayedh Moh Rifay Ahmad Mohamad Dio Pangulu Mohamad Ilham D. Djou Mohamad Saputra Hamzah Muh Kasim Muh Nasrullah Al Fauzan Muhammad Kasim Nana Juhriana Yusuf Nani Mardiani Novariani Payuyu Noviar Akase Nurmasita Dewi Sahido Permana, Aang Panji Reskiyanto Fauzi Duwingik Rikarni Taruk Tiku Rini Rahmatia S Siti Qamariyah Bunga Suci Rahmawati Mustapa Sunarty Suly Eraku Tanzilal Pena Tya Ivanka Hiola Wahyulin Ws. Harunja Yayu Indriati Arifin