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Sukir Sukir
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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 Yuliana Iik Iswanti Chandra; Sukir Maryanto; Adi Susilo
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
Lineament Geomorphologic Analysis to Identify Fault in Mount Semeru, East Java Dian Pratiwi Malik; Sukir Maryanto; Alamsyah Mohammad Juwono
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 Geo-Magnetic Phenomena at The Arjuno–Welirang Volcano, Indonesia Adinda Salsabilla Raindraputri Hidayat; Sukir Maryanto; Faridha Aprilia; Elizza Inaya Permata Sari; Athorhab, Iskara Hadijah Aqila Nasywa Rastramata
Journal of Geoscience, Engineering, Environment, and Technology Vol. 11 No. 02 (2026): JGEET Vol 11 No 02 : June (2026)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2026.11.02.26130

Abstract

Mount Arjuno–Welirang is an active volcano in East Java that exhibits volcanic activity in the form of shallow and deep earthquakes, as well as fumarolic emissions. This study aims to monitor the subsurface dynamics of the volcano through the integration of magnetic and seismic methods. Magnetic field measurements were carried out using a proton precession magnetometer to obtain local magnetic anomalies after applying diurnal corrections, IGRF correction, and regional–residual anomaly separation. The RTP and residual maps reveal high-anomaly zones that are interpreted as shallow magma intrusions, as well as low-anomaly zones associated with hydrothermal alteration and fracturing. These interpretations are integrated with the lithology of the Qvaw Formation, which consists of lava, volcanic breccia, and tuff. In addition, MAGDAS data were used to analyze diurnal geomagnetic variations (H, D, Z), which show significant fluctuations during certain periods, indicating local geomagnetic disturbances likely influenced by seismic activity or subsurface geological processes. The combination of magnetic and seismic methods provides a more comprehensive understanding of magma pathways, hydrothermal fluid dynamics, and potential increases in volcanic activity, thereby supporting disaster mitigation efforts in the Arjuno–Welirang region.
Co-Authors A.A. Ketut Agung Cahyawan W Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adi Susilo Adinda Salsabilla Raindraputri Hidayat agung syufi ghozali Agung Teguh Wibowo Almais Agus Budianto Agus S Wicaksono Ahmad Nadhir Akhmad Afandi Akhmad Afandi Alamsyah Mohammad Juwono Alamsyah Mohammad Juwono Alvira Galihputri Setyowati Amalia Cemara Nuraidha, Amalia Cemara Aminudin Afandhi Aniriani, Gading Wilda Anjar Pranggawan Azhari Antariksa 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 Athorhab, Iskara Hadijah Aqila Nasywa Rastramata 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 Dafiqiy Ya'lu Ulin Nuha dahlia kurniawati irawan Delfi Intan Faniza 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 Elizza Inaya Permata Sari 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 Geovanio Pedro da Silva Almeida 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 Joanico Pires Jose da Costa Kartika Andryana Kartiko Ardi Widodo Laelah Hilaliyah Istighfaroh Luis Teofilo da Costa 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 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 Siswahyudianto 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 Wicaksono, Rizky Rahadian Yuliana Iik Iswanti Chandra Zulfa Khalida