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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Pengabdian Masyarakat Indonesia Global Review of Tourism and Social Sciences Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Al Farishi, Bilal
Unknown Affiliation
Humanities Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Materials Science & Nanotechnology Public Health Social Sciences

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Geodiversity and Geoheritage Potential of Basalt Caves in Girimulyo Village, East Lampung, Indonesia: A Mixed-Method Assessment Approach Al Farishi, Bilal; Faranabila, Syifa; Prima, Gilbert; Rahadian, Zatalini Syadni; Natalia, Happy Christin; Santoso, Nono Agus; Antosia, Risky Martin
Global Review of Tourism and Social Sciences Vol. 1 No. 2 (2025): Global Review of Tourism and Social Sciences
Publisher : Yayasan Ghalih Pelopor Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/grtss.v1i2.351

Abstract

This study evaluates the geodiversity and geoheritage potential of basalt caves in Girimulyo Village, East Lampung, Indonesia, focusing on scientific, educational, tourism, and degradation risk values. Eight caves, including Pandan 1, Pandan 2, Kelelawar, and Kubah, were assessed through field observations, stakeholder interviews, and visual documentation. Pandan 1 Cave demonstrated the highest potential with an average score of 281.67, attributed to its unique geological features, including A’a lava, pahoehoe lava, and bread crust textures. Kelelawar Cave’s biodiversity, particularly its bat habitat, highlights its suitability for ecotourism, while Kubah Cave attracts adventure tourists with its columnar joint formations. Jagung Cave was identified as the most vulnerable to degradation, scoring 295 due to agricultural activities nearby. Conservation measures, visitor management, and sustainable tourism practices are essential to protect these geoheritage sites. Recommendations include developing visitor pathways, educational tours, and geotourism infrastructure. Limitations include reliance on visual assessments for degradation risk and limited cave access. Future research should include geotechnical analysis and explore the socio-economic impact of geotourism on local communities. The findings provide a framework for sustainable geotourism, balancing conservation, education, and tourism growth.
GIS-based Geospatial Risk Modeling of Extreme Waves and Abrasion on the West Coast of Sumatra Simarmata, Nirmawana; Wijayanti, Goldie Melinda; Nadzir, Zulfikar Adlan; Al Farishi, Bilal; Hendrawan, Rezki Naufan
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 3 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.3.411-424

Abstract

Indonesia, with its second-longest coastline in the world, is vulnerable to coastal disasters such as extreme waves and coastal abrasion. Pesisir Barat Regency in Sumatra is one of the regions that is vulnerable to these threats. Extreme waves, although rarely occur because of tropical cyclones, can be triggered by the influence of cyclones in the Indian Ocean. In addition, coastal abrasion caused by the interaction of waves, currents, and winds is increasingly threatening coastal areas. This research aims to identify the risk of extreme waves and abrasion disasters in Pesisir Barat Regency using a research-based approach to Geographic Information Systems (GIS) and multi-criteria analysis. Data on marine hydrodynamics, coastal topography, and land cover conditions are integrated to produce disaster risk maps. The risk analysis results show that the Ngaras sub-district and several other sub-districts, such as Bangkunat, Lemong, and Ngambur, have a high level of risk, with a total risk area reaching 0.398 square kilometers (km2). Meanwhile, most other sub-districts are in the low-risk class. Key factors influencing the risk level include coastal topography, vegetation cover, and the intensity of human activities in coastal areas. This study highlights the importance of coastal zone management based on risk mitigation and the need to protect coastal ecosystems to reduce disaster impacts. The findings are expected to serve as a reference for disaster mitigation policy planning in Pesisir Barat and other coastal areas. Additionally, these results could be utilized to develop holistic and practical disaster reduction effort by related stakeholders and coastal communities.
Kerentanan dan Kapasitas Kabupaten Lampung Selatan dalam Menghadapi Ancaman Bencana Hendrawan, Rezki Naufan; Hilman, Zaki; Widiatama, Angga Jati; Al Farishi, Bilal; Zainuddin, Ahmad Dennil; Ayunda, Marsya
Jurnal Pengabdian Masyarakat Indonesia Vol 4 No 3 (2024): JPMI - Juni 2024
Publisher : CV Infinite Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jpmi.2179

Abstract

Kabupaten Lampung Selatan merupakan salah satu kabupaten yang terletak di ujung tenggara Provinsi Lampung. Berdasarkan Indeks Risiko Bencana Indonesia tahun 2021 diketahui bahwa Kabupaten Lampung Selatan memiliki indeks risiko bencana sedang yang meliputi ancaman bencana tinggi seperti gempabumi, tsunami, dan banjir. Tingkat risiko tentunya dipengaruhi bukan hanya tingkat bahaya bencana, tetapi dipengaruhi oleh kerentanan daerah dan kesiapsiagaan masyarakat setempat. Oleh karena itu, penting untuk dilakukan penilaian kerentanan dan kapasitas di Kabupaten Lampung Selatan untuk mengetahui seberapa besar potensi pengurangan tingkat risiko bencana. Penilaian Kerentanan dan Kapasitas Bencana di Kabupaten Lampung Selatan secara umum dikerjakan dengan berbasis sistem informasi geografis dan juga pemetaan sosial. Data informasi geografis diolah dengan metode fuzzy logic dengan tiga kelas pembobotan yakni rendah, sedang, dan tinggi sedangkan pemetaan sosial dilakukan dengan penilaian berbasis kuesioner yang diambil dari beberapa sampel masyarakat. Pengolahan data kerentanan mengacu kepada modul analisis kerentanan bencana dari turunan Perka BNPB No. 2 Tahun 2012. Berdasarkan hasil penilaian kerentanan dan kapasitas, diketahui bahwa Kecamatan Rajabasa memiliki urgensi untuk diproiritaskan dalam peningkatan kapasitas masyarakat.
Evaluating The Effectiveness of Radon Measurement Techniques in Soil Gas: Impact of Hole Depth and Measurement Time Iqbal, Mochamad; Berlian, Fitra; Al Farishi, Bilal; Ipmawan, Vico Luthfi; Siregar, Rahmat Nawi; Umam, Rofiqul
EKSPLORIUM Vol. 45 No. 2 (2024): NOVEMBER 2024
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/eksplorium.2024.7134

Abstract

Radon measurement methodologies are critical for accurate risk assessment and resource optimization, yet challenges persist in determining the optimal sampling depth and measurement duration. These factors significantly influence radon concentration readings, and their impact still needs to be explored in systematic evaluations, particularly in balancing efficiency and accuracy. This study evaluates the effectiveness of radon measurement methodologies by experimenting with how sampling hole depth and measurement duration affect radon concentration in soil gas. Radon experiments were conducted at depths of 0.5 m, 1.0 m, and 1.2 m over a 39-day period in soft tuff rock formations at Institut Teknologi Sumatera. Measurements were taken on Days 0, 6, 12, 18, 27, and 39 using the RAD7 Radon Detector, with multiple cycles to ensure stability. The results indicate that radon concentrations varied significantly with both depth and time, with the highest concentrations observed at 1.2 m on Day 18 (1,089 Bq/m³). A noticeable “lag effect” was observed following rainfall events, where radon levels initially decreased due to soil saturation but spiked as the soil dried. The depth of 0.5 m provided the most consistent measurements, with the lowest coefficient of variation (CV = 31%), making it the most reliable and practical depth for routine radon assessments. Overall, this study highlights the importance of considering environmental conditions, such as rainfall and soil moisture, when interpreting radon data and provides insights into optimizing radon measurement practices for accuracy and efficiency.
Co-Authors Antosia, Risky Martin Ayunda, Marsya Berlian, Fitra Faranabila, Syifa Hendrawan, Rezki Naufan Hilman, Zaki Iqbal, Mochamad Nadzir, Zulfikar Adlan Natalia, Happy Christin Prima, Gilbert Rahadian, Zatalini Syadni Rofiqul Umam Santoso, Nono Agus Simarmata, nirmawana Siregar, Rahmat Nawi Vico Luthfi Ipmawan Widiatama, Angga Jati Wijayanti, Goldie Melinda Zainuddin, Ahmad Dennil