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All Journal Jurnal MIPA POSITRON Jurnal Sains dan Pendidikan Fisika Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Neutrino : jurnal fisika dan aplikasinya TELKOMNIKA (Telecommunication Computing Electronics and Control) Physics Student Journal Jurnal RISET Geologi dan Pertambangan Journal of Environmental Engineering and Sustainable Technology Erudio: Journal of Educational Innovation Jurnal Pembangunan dan Alam Lestari Natural B JFA (Jurnal Fisika dan Aplikasinya) Proceeding of the Electrical Engineering Computer Science and Informatics JPSE (Journal of Physical Science and Engineering) Journal of Geoscience, Engineering, Environment, and Technology JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) WACANA DIDAKTIKA Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital Indonesian Physical Review Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Jurnal Geosains dan Remote Sensing (JGRS) Jurnal Sains dan Teknologi International Journal of Disaster Management Indonesian Journal of Contemporary Multidisciplinary Research Wahana Fisika : Jurnal Fisika dan Terapannya Jurnal Geosaintek Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital
Sukir Maryanto
Fakultas MIPA Universitas Brawijaya Jalan Veteran Malang 65145
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Deformation Of Lava Tounge at Semeru Volcano using Sentinel-1 DInSAR Chandra, Yuliana Iik Iswanti; Maryanto, Sukir; Susilo, Adi; Faridha Aprilia; Mayang Bunga Puspita
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 1 (2025): JGEET Vol 10 No 01 : March (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.1.21444

Abstract

Indonesia is vulnerable to various natural disasters, especially volcanic eruptions.  Mount Semeru, located between Malang and Lumajang, is an active volcano with a history of significant eruptions.  The eruption on December 4, 2021, caused many casualties and infrastructure damage.  This research utilizes Sentinel-1 (SLC) satellite imagery to analyze deformation changes caused by the eruption, with a particular focus on DInSAR analysis to depict changes in the crater's shape.  Before the eruption, no significant volcanic activity was detected, resulting in no clear deformation changes, with a deflation range between -0.096 cm and -0.145 cm.  However, during the eruption, the outflow of lava forming lava tongues led to the formation of lava deposits that affected surface deformation.  During the eruption phase, the deformation changes indicate an inflation phase, with values ranging from 0.064 cm to 0.094 cm, reflecting surface movement due to the accumulation of volcanic material.  After the eruption, the deformation changes became more pronounced due to the perfectly and stably formed lava deposits, with an inflation value range between 0.037 cm and 0.079 cm, resulting in significant surface shifts.  Phase reading disturbances were also detected at several locations due to lahar flows that occurred during and after the eruption.  The results of this study provide beneficial information for the relevant parties in formulating disaster mitigation strategies related to Mount Semeru's activities, as well as in understanding the dynamics of surface deformation influenced by eruptions, lava flows, and the formation of lava tongues.
LANDSLIDE AREA MAPPING IN DAMPIT SUBDISTRICT, MALANG DISTRICT, EAST JAVA PROVINCE USING SATELLITE IMAGERY OF GRAVITY DATA FOR DISASTER MITIGATION Sutasoma, Muwardi; Susilo, Adi; Maryanto, Sukir; Aprilia, Faridha; Bunga Puspita, Mayang; Habibiy Idmi, Mohammad; Hasan, Muhammad Fathur Rouf; Almais, Agung Teguh Wibowo; Herwiningsih, Sri
Indonesian Physical Review Vol. 8 No. 3 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i3.487

Abstract

Research using satellite imagery of gravity data has been conducted in the Dampit District, Malang Regency, East Java Province. This research was conducted to identify areas vulnerable to landslides. The results of this research can serve as a basis for the government to develop effective landslide disaster mitigation policies, thereby minimizing the losses incurred. The data used is TOPEX satellite gravity data in the form of Free Air Correction data, and supported by landslide vulnerable areas data from the InaRisk satellite. The research area is 23 km x 16 km with 2 km spacing between points and 184 measurement points. Furthermore, the research area is divided into four areas: Area A1, Area A2, Area A3, and Area A4.  The residual anomaly value in the study area is between 82.7 mGal to 142.4 mGal. The residual anomalies are more variable due to the local nature of the anomalies. The correlation between the residual anomaly value and InaRisk satellite image data shows that Area A4 is the most vulnerable to landslides, especially if there is a trigger such as an earthquake.  This is because Area A4 has a low-density value, a large fault, and is the contact area between the Mandalika Formation and Wuni Formation.
ALTERNATIF PERHITUNGAN SIGNIFIKANSI ENSO TERHADAP CURAH HUJAN: BOOTSTRAP GANDA DAN TRIWULAN PENUH Yudi, Muhammad Nurwahyudi; Maryanto, Sukir; Efani, Anthon; Kurniawan, Andang
Jurnal Geosaintek Vol. 11 No. 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v11i2.6396

Abstract

Modulasi El Nino-Southern Oscillation (ENSO) memengaruhi curah hujan di wilayah monsunal seperti Jawa Timur, tetapi pendekatan triwulan konvensional (DJF, MAM, JJA, SON) sering gagal menangkap variasi musiman dan meningkatkan risiko salah positif. Penelitian ini mengusulkan pendekatan alternatif untuk mengevaluasi signifikansi modulasi El Nino-Southern Oscillation (ENSO) terhadap curah hujan menggunakan analisis 12 triwulan tumpang tindih dan metode bootstrap ganda. Fokus penelitian bertujuan untuk menghasilkan alternatif perhitungan signifikansi ENSO terhadap curah hujan melalui pendekatan bootstrap ganda. Data curah hujan bulanan dari 202 pos hujan utama periode 1991–2020 diolah menjadi 12 periode triwulanan untuk menangkap variasi yang tidak ditangkap oleh pendekatan triwulan konvensional. Oceanic Nino Index (ONI) digunakan untuk mengkategorikan fase ENSO. Metode bootstrap ganda digunakan dengan melakukan bootstrap ke curah hujan pada fase El Nino dan La Nina. Hasil bootstrap kemudian dibandingkan dengan menggunakan histogram dengan pendekatan lebar Freedman-Diaconis. Hasil menunjukkan bootstrap ganda mampu memberikan gambaran signifikansi yang lebih ketat dibandingkan bootstrap tunggal. Batas 90% direkomendasikan sebagai taraf signifikansi. Triwulan penuh mampu memberikan gambaran yang lebih baik dibandingkan penggunaan triwulan konvensional. Analisis spasial dan regresi mengidentifikasi kabupaten dengan signifikansi modulasi ENSO yang lebih kuat. Pendekatan alternatif ini menawarkan evaluasi yang lebih rinci dan fleksibel untuk menilai apakah ENSO memodulasi curah hujan suatu wilayah secara signfikan.
Hazards Mitigation of Lahar Flows on Semeru Volcano after the 4 December 2021 Eruption Based on PS-InSAR Perwita, Cholisina Anik; Aprilia, Faridha; Maryanto, Sukir; Arrasyid, Harun; Tsabitah, Aqyla Farah
International Journal of Disaster Management Vol 5, No 3 (2022)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v5i3.29098

Abstract

Volcanic eruption is one of the phenomena that can change the volcanic landscape drastically. Monitoring of volcanic edifices after eruptions should be considered to further understand the potential hazards in the future. Satellite monitoring is a reliable technique for assessing deformation in a volcano. InSAR was applied to detect material build-up after the eruption phase of Semeru Volcano in December 2022. As a consequence of the opening crater along with the InSAR result, a lahar product after the eruption was deposited in the southwest direction. Significant deformations were indicated by PS-InSAR near the crater, which was characterized by a LOS displacement of -10 to -40 mm/year, indicating scouring of the pyroclastic material moving down the slope. The accumulation of pyroclastic flows from the abrading process below was detected in the proximal zone of Semeru, as shown by the positive LOS displacement ranging from 10 to 40 mm/year. The field survey conforms to the PS InSAR results, where unconsolidated material, ranging in size from gravel to boulders, piles up approximately 4-5 m in Curah Kobokan. Highly unconsolidated material tends to move easily by water and threaten the surrounding settlements. Overlying PS InSAR and drainage pattern in the flank of Semeru, concluding several locations that have a high-risk potential of being affected by lahar flows are Curah Kobokan, Supiturang Village, Pronojiwo District, then Tulungrejo, Pasropan Village, Pasrujambe District, Lumajang Regency.
Implementation of Town and School Watching for Disaster Education to the Communities in Sidomulyo Village, Pronojiwo, Lumajang Maryanto, Sukir; Setyowati, Alvira Galihputri; Aprilla, Arga Nanda; Sari, Rendi Pradila Hab; Ramadhani, Naufal Helmi; Tolle, Herman; Nurjannah, Nurjannah; Sujarwo, Sujarwo; Harmoko, Udi
International Journal of Disaster Management Vol 5, No 2 (2022)
Publisher : TDMRC, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ijdm.v5i2.29175

Abstract

The eruption of Mount Semeru on December 4, 2021, caused a fairly high death toll of up to 50 people. The high number of fatalities is caused by the lack of mitigation capacity and the absence of community involvement in mitigation efforts. Increased mitigation capacity can be done by presenting disaster education to the communities. Thus, we applied the concepts of school watching and town watching in Pronojiwo District, Lumajang Regency. School watching was implemented in eight schools located at Sidomulyo Village. We also carried out town watching in Sidomulyo Village and brought out 33 residents to the Sidomulyo village hall. The implementation of school watching and town watching in Pronojiwo District can increase community involvement in disaster mitigation efforts and public awareness of mitigation efforts.
IDENTIFIKASI STRUKTUR GEOLOGI DAN PENGARUHNYA TERHADAP SUHU PERMUKAAN TANAH BERDASARKAN DATA LANDSAT 8 DI LAPANGAN PANASBUMI BLAWAN Azhari, Anjar Pranggawan; Maryanto, Sukir; Rachmansyah, Arief
Jurnal Penginderaan Jauh dan Pengolahan Data Citra Digital Vol. 13 No. 1 (2016)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/inderaja.v13i1.3316

Abstract

This paper presents the use of remote sensing methods for identifying geological structures on the Blawan-Ijen geothermal field and its system. Remote sensing data, specifically Landsat 8 and DEM SRTM, were utilized to extract lineaments from the 753 multispectral band and derive land surface temperature (LST) from a single thermal infrared band using a retrieval method. Surface emissivity was determined based on the Normalized Difference Vegetation Index (NDVI) of the study area. Remote sensing analysis proved to be an effective approach for identifying geological structures from the surface that control thermal manifestations in the Blawan geothermal field. The results indicate that the Blawan fault is the primary structure in the geothermal field, associated with high LST and hot springs. Interpretation suggests that the reservoir of the Blawan-Ijen geothermal system extends from Plalangan to the southwest area.
Lineament Geomorphologic Analysis to Identify Fault in Mount Semeru, East Java Malik, Dian Pratiwi; Maryanto, Sukir; Juwono, Alamsyah Mohammad
Jurnal Penelitian Pendidikan IPA Vol 9 No SpecialIssue (2023): UNRAM journals and research based on science education, science applic
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9iSpecialIssue.6143

Abstract

This research analyzes the morphological lineaments on Mount Semeru, East Java. The morphological lineament is processed using satellite imagery as a digital elevation model (DEM), downloaded on the Badan Informasi Geospasial (BIG) page. The image was processed using Global Mapper software with azimuth angles of 00, 450, 900, 1800, and 3150 and produced a lineament map that had been overlaid from all azimuth angles and created a morphological lineament map with various groups of values from high to low. From the analysis that has been carried out, it was found that there are 103 lineaments, most of which are spread in the area west of the crater of Mount Semeru, with the dominant direction showing a west-southwest – east-northeast orientation.
Preliminary Study of a-value and b-value of Earthquake at Timor Leste Period 1975 – 2022 Costa, Jose da; Maryanto, Sukir; Juwono, Alamsyah Mohammad; Pires, Joanico; Almeida, Geovanio Pedro da Silva; Costa, Luis Teofilo da
Jurnal Penelitian Pendidikan IPA Vol 10 No SpecialIssue (2024): Science Education, Ecotourism, Health Science
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10iSpecialIssue.8578

Abstract

The utilization of social networks in the formation of Social Chemistry by State-Owned Enterprises (SOEs) in the Meranti Islands as Sociopreneurs is an innovation that enables the optimization of sago potential utilization. This study aims to explore the role of social networks in supporting the success of Rumah BUMN Meranti Islands in marketing sago products through E-Commerce. The research method used is a descriptive qualitative approach through interviews. The results of the study show that the role of social networks in the formation of social chemistry in the use of e-commerce by Rumah BUMN Meranti Islands as a sociopreneur for optimizing the utilization of sago potential demonstrates a significant synergy between digital technology and social dynamics. Rumah BUMN Meranti Islands has successfully leveraged social media platforms such as Facebook, Instagram, and WhatsApp to build close connections with various stakeholders, including sago farmers, artisans, local SMEs, and consumers, through special groups, pages, online discussions, webinars, and Q&A sessions. Active community participation is also encouraged through contests and challenges, which strengthen the sense of ownership among members. With this approach, Rumah BUMN Meranti Islands not only promotes sago products but also creates a dynamic and sustainable ecosystem, where the potential of sago can be optimized through community synergy and technology. This harmonious and constructive interaction reflects the principles of social chemistry, enhancing community cohesion and collective trust, as well as the effectiveness of collaboration and innovation.
Analisis Korelasi antara Indeks Perbedaan Vegetasi Terkoreksi (NDVI) dari Citra Sentinel-2 dan Suhu Permukaan Tanah (LST) dari Citra Sentinel-3 dalam Memantau Aktivitas Erupsi Gunung Semeru pada Tahun 2021 Chandra, Yuliana Iik Iswanti; Maryanto, Sukir; Susilo, Adi
Jurnal Penelitian Pendidikan IPA Vol 11 No 4 (2025): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i4.10605

Abstract

Mount Semeru is an active volcano located on the island of Java. On December 4, 2021, Mount Semeru erupted again, resulting in damage and loss of life. Sentinel-2 satellite imagery was utilized for mapping vegetation areas, while Sentinel-3 was employed for assessing surface temperatures. The NDVI distribution related to the Semeru volcano eruption indicates that the extent of cloud cover, water, and open vegetation was consistent before, during, and after the eruption. Before the eruption, areas of very low vegetation were more prevalent than during and after. In contrast, areas of low vegetation were more common following the eruption compared to the eruption period and before it. Medium vegetation remained dominant after the eruption in comparison to the periods before and during it. In contrast, high vegetation was most abundant during the eruption and was at its lowest before the eruption occurred. The land surface temperature recorded before the eruption ranged from a minimum of 11.8 °C to a maximum of 30.12 °C. During the eruption, temperatures peaked at 42.4 °C and dropped to a low of 14.0 °C. Following the eruption, the maximum temperature recorded was 40.8 °C, with a minimum of 11.6 °C. The presence of lava flow during and after the eruption is indicated by the red circle on the land surface temperature map, and when compared to the NDVI map, the black circle shows areas where vegetation was absent due to the lava flow observed on the land surface temperature map
Co-Authors A.A. Ketut Agung Cahyawan W Achmad, Fariz Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo agung syufi ghozali Agung Teguh Wibowo Almais Agus Budianto Agus S Wicaksono Ahmad Nadhir Akhmad Afandi Akhmad Afandi Almeida, Geovanio Pedro da Silva Alvira Galihputri Setyowati Amalia Cemara Nuraidha, Amalia Cemara Aminudin Afandhi Anjar Pranggawan Azhari Antariksa Anthon Efani Aprilia, Faridha Aprilla, Arga Nanda Aqyla Farah Tsabitah Arga Nanda Aprilla Arief Rachmansyah Arief Rachmansyah Arief Rachmansyah Arif Rachmansyah Arif Rahman Hakim Arin Wildani Arrasyid, Harun Asnawi, Rijal Bambang Avianthara Bambang Heri Purwanto Barika Novanta Barqi Muhammad Irsyad, Barqi Muhammad Bunga Puspita, Mayang Chandra, Yuliana Iik Iswanti Cholisina Anik Perwita Cholisina Anik Perwita Cholisina Anik Perwita Cholisina Anik Perwita Cinantya N Dewi Cinantya Nirmala Dewi Cinantya Nirmala Dewi Costa, Jose da Costa, Luis Teofilo da Dafiqiy Ya'lu Ulin Nuha dahlia kurniawati irawan Delfi Intan Faniza Deni Saputra Dian Pratiwi Malik Didik R Santoso Didik R. Santoso Didik R. Santoso Didik R. Santoso Didik R. Santoso Didik Rahadi Santoso Didik Rahardi Santoso Drs Wasis Dwi Wahyudi Eddy Z Gaffar Endah Juniarti Fajar Rakhmanto Fajar Rakhmanto Fajar Rakhmanto Faridha Aprilia Faridha Aprilia Febriana Rachmawati, Febriana Fitor Imanul Huda Fitri Indah Pratiwi, Fitri Indah Gancang Saroja Habibiy Idmi, Mohammad Harun Arrasyid Hasan Nurudin Hena Dian Ayu Hendarmin Hendarmin Hendra Gunawan Herman Tolle Hetty Triastuti Hetty Triastuty Hetty Triastuty I Ketut Wahyu Nugrahadinata Putra, I Ketut Wahyu Nugrahadinata Ika Karlina Laila Nur Suciningtyas Ika Wahyu Utami Imam Suyanto Juwono, Alamsyah Mohammad Kartika Andryana Kartiko Ardi Widodo Kurniawan, Andang Laelah Hilaliyah Istighfaroh MARETA KARTIKASARI Martha, Agustya Adi Mayang Bunga Puspita Meidi Arisalwadi Mohammad Hasib Mudo Prakoso Muhajir Anshori Muhamad Hendrasto Muhammad Bisma Pamungkas Muhammad Fathur Rouf Hasan Muhammad Ghufron Muhammad Hendrasto Muhammad Razi Muwardi Sutasoma Naufal Helmi Ramadhani Nefrizal - Nella Fernania Nugraha, Aulia Kharisma Nuha, Dafiqiy Ya'lu Ulin Nur Aini Gama Lestari Nurjannah Nurjannah Nurjannah Nurjannah Panji Aziz Priambodo Perwita, Cholisina Anik Petrus Demon Sili Pires, Joanico Qori Fajar Hermawan Raehanayati Raehanayati Rahmawati Rahmawati Ramadhani, Naufal Helmi Ratri Andinisari Rendi Pradila Hab Sari Ridha, Syawaldin Rio Arie Purnama Rizky Kusumawardani Rohmah, Siti Ainur Salman Hamja Siombone Santoso, Didik Rahardi Sari, Rendi Pradila Hab Setyawan P. Sakti Setyowati, Alvira Galihputri Siswo Purnomo Sri Dwi Wuryani, Sri Dwi Sri Herwiningsih Stevany Abigail Sujarwo Sujarwo Sujarwo Sujarwo Surya Aji Ermanto Susilo, Adi Syafitri, Meta Taufan Surana, Taufan tika yulia astuti Tommy Hendriansyah, Tommy Tri Deni Rahman Tsabitah, Aqyla Farah Udi Harmoko Udi Harmoko Usna Zainun Nasrulloh Zamhar Vani N. Ningtyas SC, Vani N. Ningtyas Vanisa Syahra, Vanisa Verna A. Suoth Yudi, Muhammad Nurwahyudi Zulfa Khalida