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All Journal Jurnal Surya Masyarakat Specta Journal of Technology Jurnal Manajemen Bencana (JMB) Jurnal Surya Masyarakat JURNAL TEKNOLOGI TECHNOSCIENTIA International Journal of Artificial Intelligence and Robotics (IJAIR) Journal of Applied Geology El-Jughrafiyah : Jurnal Geografi dan Terapannya Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Malcom: Indonesian Journal of Machine Learning and Computer Science JUARA: JURNAL WAHANA ABDIMAS SEJAHTERA JURNAL TEKNIK GEOLOGI : Jurnal Ilmu Pengetahuan dan Teknologi ANDIL Mulawarman Journal of Community Engagement Jurnal ilmiah teknologi informasi Asia
Muhammad Rizqy Septyandy
Universitas Mulawarman
Religion Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Physics Public Health Social Sciences Other

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Pemanfaatan Teknologi Ecoprint Busana Modern sebagai Upaya Pelestarian Lingkungan dan Peningkatan Pendapatan Masyarakat di Kelurahan Tanah Merah Kota Samarinda Mika Debora Br Barus; Ahmad Zamroni; Mujibu Rahman; Adnan Putra Pratama; Farida Aryani; Muhammad Rizqy Septyandy; Andi Baso Sofyan A. P.; Dito Aditia Darma Nasution
Jurnal Surya Masyarakat Vol 7, No 1 (2024): November 2024
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jsm.7.1.2024.46-52

Abstract

Ecoprint techniques have shifted to dyeing and patterning textiles. Ecoprint is a dyeing process that forms an image on fabric using leaf structures and produces patterns. This community empowerment activity aims to increase the knowledge and competence of mothers in Tanah Merah Subdistrict, Samarinda City, by using new Ecoprint technology to protect the environment and increase community income, implementing the activity through persuasive teaching methods with stages of preparation, coordination, implementation and assessment. The activity results show that 1) the knowledge of housewives in Tanah Merah Subdistrict, Samarinda City, has increased about using natural dyes in plants that are good to buy through ecoprint. 2) Increasing the awareness of housewives in Tanah Marah Subdistrict, Samarinda City, about transforming plants into natural dyes using primissima mori cloth as a creative project. 3) Increasing the knowledge and work of housewives in Tanah Merah Subdistrict, Samarinda City, regarding the processing and production environment using natural dyes. With the results of this activity, it is hoped that it can protect the environment and increase community income. 
Optimalisasi Penerapan Sekolah Aman Bencana Ramah Anak sebagai Upaya Pengurangan Risiko Bencana di Kawasan Pesisir Kelurahan Pantai Lango Kecamatan Penajam Kabupaten Penajam Paser Utara Muhammad Rizqy Septyandy; Doni Darmasetiadi; Andi Asrafiani Arafah; Pasha Aprila Putri; Safaruddin Safaruddin; Ririt Riyanti; Dina Aulia Wiridtanaya; Yulius Dwi Laksono; Mika Debora Br Barus
Jurnal Surya Masyarakat Vol 7, No 2 (2025): Mei 2025
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jsm.7.2.2025.289-300

Abstract

Semenjak dikeluarkannya Undang-Undang Nomor 3 Tahun 2022 tentang Ibukota Negara (IKN) yang berlokasi di wilayah Kabupaten Penajam Paser Utara dan Kabupaten Kutai Kartanegara, Kelurahan Pantai Lango merupakan lokasi yang mulai terdampak pembangunan. Kelurahan Pantai Lango merupakan kawasan yang akan dibangun Bandara VVIP dan Dermaga Logistik. Pembangunan ini berdampak secara tidak langsung menjadikan area yang tergenang oleh banjir rob akan semakin meluas dari tahun-tahun sebelumnya. Jika tidak ditangani serius, maka dapat menghambat dari penyelesaian pembangunan kedua proyek tersebut. Oleh karena itu, dalam menghadapi kemungkinan bencana ini di Kelurahan Pantai Lango khususnya di satuan pendidikan yang ada di kelurahan tersebut, perlu dibentuk Sekolah Aman Bencana yang di dalamnya terdiri dari sistem manajemen kesiapsiagaan bencana di sekolah, guru kader sigap dan tangguh bencana, serta rencana kontijensi penanggulangan bencana di sekolah. Hal ini dapat diwujudkan dengan sinergi antara pemerintah dalam hal ini BPBD Kabupaten Penajam Paser Utara dan Dinas Pendidikan, Pemuda, dan Olahraga (Disdikpora) Kabupaten Penajam Paser Utara dengan institusi pendidikan tinggi dalam hal ini adalah Universitas Mulawarman kepada sekolah yang berada di kawasan rawan bencana yang salah satunya SD Negeri 004 Penajam. Diadakannya kegiatan pengabdian masyarakat ini dapat menyosialisasikan potensi bencana yang dapat terjadi di Penajam Paser Utara melalui perspektif geologi serta memberikan media edukasi untuk mitigasi bencana di sekolah seperti Augmented Reality Sandbox dan Buku Pop Up Bencana.
Assessment of Liquefaction Hazard Potential Using Decision Tree, Random Forest and Support Vector Machine: A Case Study of Samarinda, Indonesia Muhammad Rizqy Septyandy; Divo Dwi Bramantyo; Muhammad Amin Syam
MALCOM: Indonesian Journal of Machine Learning and Computer Science Vol. 6 No. 3 (2026): MALCOM July 2026
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/malcom.v6i3.2541

Abstract

Earthquake-induced soil liquefaction is a major hazard for urban areas in Indonesia built on recent alluvial deposits. This study evaluates three supervised machine learning algorithms Decision Tree (DT), Random Forest (RF), and Support Vector Machine (SVM)  liquefaction hazard mapping in Samarinda, East Kalimantan. Four predictor variables were used: shear wave velocity (Vs30), peak ground acceleration (PGA), groundwater level (GWL), and slope. Because only four Cone Penetration Test (CPT) locations were available, the dataset was expanded to 532 labeled samples through stratified spatial sampling of a previously published CPT-based fuzzy GIS liquefaction map. An 80:20 train-test split was used, and SMOTE was applied only to the training data to address class imbalance. Model performance was evaluated using accuracy, precision, recall, F1-score, and confusion matrices. DT achieved the best performance with an accuracy and weighted F1-score of 0.87, followed by SVM (0.80) and RF (0.78). The resulting hazard map classified Samarinda into Very Low (68%), Low (6%), High (7%), and Very High (19%) hazard zones. High-risk areas were concentrated in the eastern part of the city, where shallow groundwater, Sulfaquent soils, and recent alluvial deposits are present.
Optimalisasi Pemutakhiran Data Sarana dan Prasarana Dinas Pemadam Kebakaran dan Penyelamatan Kota Samarinda Berbasis Sistem Informasi Geografis sebagai Upaya Pengurangan Risiko Bencana Muhammad Rizqy Septyandy; Muhammad Amin Syam; Sartika Sartika; Mika Debora Br Barus
Jurnal Surya Masyarakat Vol 6, No 1 (2023): November 2023
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jsm.6.1.2023.126-134

Abstract

Samarinda is the capital city of East Kalimantan. As the capital city on the second largest island in Indonesia, Samarinda is home to 834,824 residents. A problem that often arises in densely populated cities is fire. In Samarinda, from 2015 to 2022, there have been at least 2,349 fire incidents with a burned area of 8,090,755 m2 so this city has become one of the cities that most often experience fires on Kalimantan. Several supporting facilities and infrastructure owned by the Samarinda Fire and Rescue Agency, such as hydrants and fire posts have been expanded in number. However, most of these supporting facilities have not been integrated with a good coordinate system. So, when a fire occurs, it takes time to identify the location of these vital facilities. As an effort to solve this problem, the Geological Engineering Study Program, Faculty of Engineering, Mulawarman University and Samarinda State Polytechnic of Agriculture held community engagement activities in the form of geographic information system (GIS)-based application training for Samarinda Fire and Rescue Agency officers. This program aims to provide additional competencies needed by field officers in integrating data on facilities and infrastructure such as hydrants and fire posts into the Samarinda geoportal system. Based on the results of this activity, Samarinda Fire and Rescue Agency officers are skilled in operating applications that can integrate coordinate-based facilities and infrastructure data into a geoportal system, including measuring the burned areas accurately and precisely so that fire incidents in Samarinda can be minimized.
Community Empowerment Through the Processing of Household Organic Waste into Fermented Animal Feed in Dusun Patra, Sangkima Village: Pemberdayaan Masyarakat Melalui Pengolahan Limbah Organik Rumah Tangga Menjadi Pakan Ternak Fermentasi di Dusun Patra, Desa Sangkima Alifia Nur As Syifa Hamka; Muhammad Rizqy Septyandy; Muhamad Fadly Arif; Nurul Vita Azizah; Hajrah; Trisnaweldy Manurung; Vera Indriani; Silva Jen Retno; Bimasakti Cahyo Utomo; Maulana Al Amin
ANDIL Mulawarman Journal of Community Engagement Vol. 3 No. 1 (2026): ANDIL Mulawarman J Comm Engag
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M), Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/andil.v3i1.3700

Abstract

This community engagement program aimed to empower the residents of Patra Sub-Village, Sangkima Village, by converting household organic waste into fermented animal feed. The activity addressed the dual challenges of the high cost of commercial feed and the accumulation of unmanaged organic household waste. The program utilized a demonstrative method, including socialization sessions and practical training on the fermentation of organic waste using Effective Microorganism 4 (EM4) technology. Evaluation through pre-tests and questionnaires revealed a significant increase in participants’ knowledge and awareness, with most attendees considering the materials easy to understand and apply. The initiative successfully reduced participants' feed expenses by up to 30% and fostered a sustainable, environmentally friendly waste management culture. Ongoing assistance and advanced training in feed packaging are recommended to ensure the continuity and commercial potential of this innovation in the local community.
Optimization of Used Cooking Oil Utilization through Aromatherapy Candle-Making Training: A Case Study in Lestari Jaya Hamlet, East Kutai, East Kalimantan: Optimalisasi Pemanfaatan Minyak Jelantah melalui Pelatihan Pembuatan Lilin Aromaterapi: Studi Kasus di Dusun Lestari Jaya, Kutai Timur, Kalimantan Timur Aulia Almag Fira; Muhammad Rizqy Septyandy; Angelia Cristin; Pedrico Partogi Manullang; Nadia Putri Alfiani; Muftia
ANDIL Mulawarman Journal of Community Engagement Vol. 3 No. 1 (2026): ANDIL Mulawarman J Comm Engag
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M), Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/andil.v3i1.3755

Abstract

Used cooking oil is a domestic waste frequently disposed of improperly, causing persistent pollution to water and soil. An aromatherapy candle-making training program based on recycled used cooking oil was conducted in Lestari Jaya Hamlet, Kutai Timur Regency, aiming to optimize waste utilization, reduce environmental contamination risk, and promote the development of creative, eco-friendly businesses within the community. The event engaged 16 participants from the PKK women's group and local residents through material presentations and hands-on practice. The success of the program was evaluated using a Likertscale questionnaire. Results revealed a mean satisfaction score of 4.4, indicating a high level of satisfaction with the training received. Financial analysis showed total monthly production costs of Rp6,569,038.89 for 1,000 candle units, with a selling price set at Rp8,500.00 per unit and a benefit-cost ratio (R/C) of 1.3, reflecting business feasibility and real profit potential. This initiative effectively enhanced environmental awareness, entrepreneurial skills, and motivated the community to manage domestic waste productively. The main recommendation is to replicate this training model in other areas and to integrate digital marketing strategies to foster sustainable development of micro-businesses based on waste materials.
English: 199 - 224 Diftania Avanda Ayu Shinta; Muhammad Rizqy Septyandy; Muhammad Amin Syam; Aji Muhammad Rifqi Abdillah; Pridawanti Ayuningtyas; Panggea Ghiyats Sabrian
SPECTA Journal of Technology Vol. 10 No. 2 (2026): Specta Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v10i2.8481915

Abstract

The Sambutan District in Samarinda, East Kalimantan, has a hilly terrain with varying slopes and mainly consists of soft sedimentary materials, making it prone to landslides. Without prompt management, these landslides could cause significant damage. This study aims to identify high-risk landslide areas in Sambutan District to guide authorities in implementing mitigation measures and minimizing potential losses. The research combined field surveys and laboratory tests, including Cone Penetration Tests (CPT) at key points to evaluate soil stratigraphy and strength through cone resistance. These findings were correlated with physical soil analyses, which measured water content, specific gravity, bulk density, and Atterberg limits (liquid, plastic, and shrinkage limits). A direct shear test was also conducted to determine soil shear strength parameters, cohesion (c) and internal friction angle (φ), to assess slope stability using the safety factor (FK). Based on these tests, landslide risk was categorized into low, medium, and high, considering factors like slope angle, height, direction, rainfall, soil type, proximity to rivers and roads, as well as NDVI, NDBI, land cover, and slope curvature. These factors were analyzed with the Weight of Evidence (WoE) method. Results indicate that slope, soil type, and elevation are the most influential parameters for landslides. High-risk areas extend northward, then south, with additional zones in the northwest, southwest, and a small eastern section. Laboratory results show that soft soils, such as clay with moderate to high plasticity, are common in landslide-prone zones. The greater the soil plasticity, the higher the landslide risk. These findings provide a scientific basis for government policies and spatial planning aimed at targeted mitigation efforts to prevent further damage losses.
Co-Authors Abdillah, Aji Muhammad Rifqi Adnan Putra Pratama Ahmad Zamroni Aji Muhammad Rifqi Abdillah Aji Wira Ksatria Alifia Nur As Syifa Hamka Andi Asrafiani Arafah Andi Baso Sofyan A.P Angelia Cristin Aulia Almag Fira Aveliansyah Aveliansyah Aveliansyah Aveliansyah Ayuningtyas, Pridawanti Bimasakti Cahyo Utomo Darmasetiadi, Doni Diftania Avanda Ayu Shinta Dina Aulia Wiridtanaya Dito Aditia Darma Nasution Divo Dwi Bramantyo Eddy Ariyono Subroto Farid, Muh Farida Aryani Hajrah Heriyanto Heriyanto Indra Dewi Sanjaya Lubis, Yarham Syahabi Maulana Al Amin Mika Debora Br Barus Muftia Muhamad Fadly Arif Muhammad Akbar Nugraha Muhammad Amin Syam Muhammad Asrofi, Muhammad Mujibu Rahman Nadia Putri Alfiani Natalie Fuad Nurul Vita Azizah Panggea Ghiyats Sabrian Pasha Aprila Putri Pedrico Partogi Manullang Pridawanti Ayuningtyas Rachmadi, Ari Resty Intan Putri Ririt Riyanti Ryan Andreas Safaruddin Safaruddin Sartika Sartika Shafira Selinzaskia Anwar Shinta, Diftania Avanda Ayu Silva Jen Retno Tito Latif Indra Trisnaweldy Manurung Vera Indriani Wellyanus Paladan Wulandari, Ridhanti Yulius Dwi Laksono