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All Journal Journal of Degraded and Mining Lands Management Journal of Geoscience, Engineering, Environment, and Technology Indonesian Physical Review Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Geosaintek
Muhammad Altin Massinai
Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science Physics Social Sciences Other

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Slope stability analysis by integration of seismic refraction method and geotechnical soil testing: Case study of landslide in Bulobulo Village, Barru Regency, Indonesia Sam, Dwi Nurfajriana; Massinai, Muhammad Altin; Pramatadie, Andi Muhamad
Journal of Degraded and Mining Lands Management Vol. 12 No. 3 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.123.7779

Abstract

This research investigated slope stability issues in Bulobulo Village, Barru Regency in Indonesia, which is known to experience very high landslide occurrences, particularly in steep slopes with seasonally altered overburden rocks through refraction seismic method and geotechnical analysis. This study conducted mechanical and physical soil tests in the laboratory, and the geophysics study investigated subsurface configuration. The set of data collected also reflected some seismic velocity anomalies, which are signs of variations in the arrangement of the substructure. A geotechnical investigation of the slope showed low cohesiveness and high water content, which were detrimental to stability. The factor of safety (FoS) calculated using the limit equilibrium technique established some slopes as being in a critical state and, hence, at risk of landslides. Such integration of methods allows one to make data-driven proposals for landslide prevention and provides a comprehensive comprehension of slope performance.
Analisis Frekuensi Data Seismik Hasil Migrasi Finite Difference Jamaluddin, Jamaluddin; Sea, Johanes Gedo; Djajadihardja, Yusuf Surachman; Massinai, Muhammad Altin; Aswad, Sabrianto; Maria, Maria
Jurnal Geosaintek Vol. 5 No. 3 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

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Abstract

Finite difference migration is one of the migration algorithms that uses the principle of downward continuation and upcoming waves which are solved numerically with finite difference. This migration in ProMAX software has various algorithms depending on the numerical solution used. From each finite difference migration algorithm this shows a significant difference in the frequency produced. Migration with the explicit finite difference algorithm shows better frequency results than the Implicit Finite Difference algorithm.
Penentuan Arah Tegasan Pembentuk Kekar Menggunakan Diagram Rosette (Studi Kasus Daerah Pattongtongan, Sulawesi Selatan) Jariah, Dewi Ainun; Luthfia, Ismira; S, Nurita Dwi Puspita; Syam, Muh. Rexy; Frindy R, Deviana; Hamdah, Hanifah; Pertiwi K, Nuraisyiah; Rahman, Muh. Fazlur; Maesalangi, William; Massinai, Muhammad Altin; Massinai, Muhammad Fawzy Ismullah
Jurnal Geosaintek Vol. 5 No. 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

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Abstract

Struktur geologi adalah gambaran bentuk arsitektur batuan penyusunan kerak bumi akibat sedimentasi dan deformasi. Dalam melakukan identifikasi geologi suatu wilayah, salah satu faktor utama yang harus dipertimbangkan adalah struktur geologi, yang umumnya mengacu kepada data-data primer berupa data observasi lapangan maupun data sekunder. Penelitian yang dilakukan di Desa Pattontongan Kecamatan Mandai Kabupaten Maros Sulawesi Selatan ini mengkhususkan pada penentuan arah tegasan utama di daerah tersebut. Penelitian ini menggunakan data lapangan berupa data strike dan data dip. Penentuan arah tegasan dengan analisis kekar menggunakan analisa Diagram Rosette. Hasil yang didapatkan berupa arah tegasan maksimum berarah timur laut-barat daya. Hal ini disebabkan proses pembentukan kekar pada Desa Pattongtongan dipengaruhi proses vulkanisme pada pembentukan Formasi Camba.
EARTHQUAKE RECURRENCE INTERVAL BASED ON SEISMIC MOMENT Massinai, Muhammad Fawzy Ismullah; Wijaya, Arif; Jamaluddin, Jamaluddin; Massinai, Muhammad Altin; Umar, Emi Prasetyawati; Minarti, Minarti
Indonesian Physical Review Vol. 4 No. 3 (2021)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v4i3.120

Abstract

Indonesia is a country with high earthquake potential. This potential has been realized by its stakeholders and other parties. Various methods from many researchers from the fields of geophysics, geology, seismology, geodesy, geotechnical engineering, and others have been discussed to arrange earthquake mitigation. However, the discussions are unable to fit all earthquake mitigations across the country because they are still limited to specific characteristics of each fault among thousands of faults in Indonesia. Seismic moment is a parameter that provides information on the energy released when an earthquake occurs. This parameter, in any given scale, can provide information about the earthquake recurrence interval. The earthquake recurrence interval referred to here means that during a certain time period, the area under study has the possibility of experiencing an identical earthquake or with a smaller magnitude. This study tries to offer and test the method of calculating earthquake recurrence interval based on seismic moments. The method tested in several case studies of earthquakes in East Kalimantan has acceptable results. The method in this research has advantages value and can be alternative method in earthquake disaster mitigation.
Paleoenvironmental Influences Evaluation on Sedimentary Organic Matter of the Kampungbaru Formation, Lower Kutai Basin: Organic and Inorganic Geochemical Approaches Jamaluddin; Jamaludin, Siti Nur Fathiyah; Massinai, Muhammad Altin; Zhang, Shiqi; Mansor, Hafzan Eva; Oscar, Agus Wiramsya
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 4 (2025): JGEET Vol 10 No 04 : December (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.4.24526

Abstract

The study of paleoenvironmental influences on sedimentary organic matter has become a critical field of research, particularly in understanding the depositional conditions that control the accumulation and preservation of organic matter. In present study, Upper Miocene-Pliocene Kampungbaru Formation of the Lower Kutai Basin, Indonesia was evaluated by utilizing geochemical proxies to interpret the role of paleoclimate, paleosalinity, and paleoredox conditions on the enrichment of sedimentary organic matter. The rock unit is mostly comprised of shale, coaly shale and coal. The sediments of the Kampungbaru Formation were mostly deposited in a freshwater to brackish depositional environment, likely representing swampy or deltaic settings with transitions between weakly anoxic to oxic environments. A fluctuation between humid and arid climates with higher total organic carbon (TOC) values associated with humid conditions that enhanced  the organic matter preservation. The geochemical results indicate that the analyzed samples have a TOC content between 1.50 wt.% to 43.68 wt.%, indicating a good to excellent organic matter content. Organic matter in the Kampungbaru Formation is composed of type III (gas-prone) and type II-III (mixed oil and gas prone) kerogen, with HI values ranging from 91 to 269 mg HC/g TOC. The pyrolysis Tmax of the Kampungbaru Formation range from 301 to 427 °C which indicate that sediments are thermally immature, bordering on the limit of 435ºC. The closure of the Indonesian Seaway during the Miocene-Pliocene restricted marine water exchange between the Indian and Pacific Oceans. This tectonic event likely reduced marine influence in the Lower Kutai Basin promoting freshwater-dominated depositional settings such as swamps and deltas.
PEPS-KL: An Ecoliteracy Intervention for Plastic Waste Management Education Massinai, Sitti Muthia Maghfirah; Jamal, Noor Dyah Utami; Almira, Nurul Insani; Massinai, Muhammad Altin
Bubungan Tinggi: Jurnal Pengabdian Masyarakat Vol 7, No 4 (2025): NOVEMBER 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/btjpm.v7i4.16271

Abstract

This community service program aims to enhance the ecoliteracy of high school students in plastic waste management through the Program Edukasi Pengelolaan Sampah Plastik untuk Keberlanjutan Lingkungan (PEPS-KL) at SMAN 1 Takalar, Takalar Regency, South Sulawesi. The program was developed using the Community-Based Participatory Research (CBPR) method, incorporating the ADDIE model (Analysis, Design, Development, Implementation, Evaluation) with an experiential learning approach. Participants comprised 35 tenth-grade students who participated in an intensive 6-hour learning program. Evaluation was conducted using a one-group pretest-posttest design with quantitative analysis through the Wilcoxon Signed Ranks Test and qualitative analysis through content analysis of participants' reflections. The program successfully improved participants' knowledge significantly (Z = -5.067, p < 0.001) with an average score increase of 55.01% from pretest (M = 6.69) to posttest (M = 10.37). A total of 94.3% of participants experienced improved understanding of ecoliteracy. Qualitative evaluation revealed participants' holistic transformation encompassing critical awareness of microplastic impacts, intrinsic motivation for change, positive emotional responses, construction of new knowledge, and commitment to becoming agents of environmental change. PEPS-KL proved effective in facilitating holistic learning that encompasses the cognitive, affective, and conative domains, which are essential to developing effective and sustainable environmental education strategies at the high school level. 
Co-Authors Agus Wiramsya Oscar Almira, Nurul Insani Arif Wijaya Frindy R, Deviana Hamdah, Hanifah Jamal, Noor Dyah Utami Jamaluddin Jamaluddin Jamaluddin Jariah, Dewi Ainun Luthfia, Ismira Maesalangi, William Mansor, Hafzan Eva Maria Maria Massinai, Sitti Muthia Maghfirah Minarti Minarti Muhammad Fawzy Ismullah Massinai Nur Jamaludin Pertiwi K, Nuraisyiah Pramatadie, Andi Muhamad Prasetyawati Umar, Emi Rahman, Muh. Fazlur S, Nurita Dwi Puspita Sabrianto Aswad, Sabrianto Sam, Dwi Nurfajriana Sea, Johanes Gedo Syam, Muh. Rexy Yusuf Surachman Djajadihardja, Yusuf Surachman Zhang, Shiqi