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All Journal Indonesian Journal of Geography MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Pendidikan Geografi Undiksha Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Neutrino : jurnal fisika dan aplikasinya Journal of Engineering and Technological Sciences JGE (Jurnal Geofisika Eksplorasi) JFA (Jurnal Fisika dan Aplikasinya) Jurnal Geosaintek Jurnal Penelitian Pendidikan IPA (JPPIPA) INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Aplikasi Teknik Sipil Journal of Marine-Earth Science and Technology Jurnal Geosaintek Geoid - Journal of Geodesy and Geomatics
Amien Widodo
Department Of Geophysic Engineering, Faculty Of Civil Engineering And Planning, Institut Teknologi Sepuluh Nopember, Jalan Arief Rahman Hakim, Surabaya 60111
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Materials Science & Nanotechnology Physics

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IDENTIFIKASI SUNGAI BAWAH PERMUKAAN PADA DATA RESISTIVITAS 2D KONFIGURASI DIPOLE-DIPOLE DI DESA GEDOMPOL, KABUPATEN PACITAN Bahri, Ayi Syaeful; Padlilah, Muthi’ul; Widodo, Amien; Hilyah, Anik; Purwanto, Mohammad Singgih; Hardyani, Putry Vibry; Salim, Christopher
Jurnal Geosaintek Vol. 7 No. 3 (2021)
Publisher : Institut Teknologi Sepuluh Nopember

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ASESMEN SUMBERDAYA WARISAN GEOLOGI SEMBURAN LUMPUR DI KECAMATAN SEDATI, KABUPATEN SIDOARJO Widodo, Amien; Rochman, Juan Pandu Gya Nur; Hilyah, Anik; Novian, Dhea Pratama
Jurnal Geosaintek Vol. 9 No. 1 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

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Cekungan Jawa Timur Utara memiliki cadangan minyak dan gas bumi (migas) yang tinggi sekaligus menyimpan potensi semburan lumpur yang signifikan. Fenomena semburan lumpur ini menjadi suatu warisan geologi yang memiliki nilai aspek sejarah dan sangat penting dalam pengembangan penelitian. Keberadaan kawasan semburan lumpur di kawasan Kota Surabaya dan sekitarnya masih mendapatkan perhatian yang minim dari masyarakat serta pemerintah daerah setempat. Hal inilah yang mendorong dilakukannya penelitian berupa kajian kebumian dan asesmen dari warisan geologi semburan lumpur di kawasan ini, terkhusus pada Gunung Lumpur Kalanganyar, Sedati. Metode penilaian berdasarkan Petunjuk Teknis Asesmen Sumber Daya Geologi yang disusun oleh Badan Geologi, Kementerian Energi dan Sumber Daya Mineral (ESDM) berupa model asesmen untuk menilai potensi suatu situs warisan geologi, melalui beberapa kriteria, indikator dan parameter secara kuantitatif. Asesmen kuantitatif ini didasarkan pada faktor bobot meliputi penilaian suatu situs warisan geologi berdasarkan pada nilai - nilai sains, nilai – nilai edukasi, nilai – nilai pariwisata, dan penilaian pada resiko degradasinya. Asesmen sumberdaya warisan geologi ini didukung dengan aplikasi metode geofisika berupa Metode Magnetik, dimana metode ini memanfaatkan anomali magnet di suatu lokasi untuk dapat memperkirakan kondisi bawah permukaan suatu lokasi penelitian. Hasil dari akuisisi magnetik didapatkan dugaan struktur patahan di daerah tersebut. Dari integrasi informasi yang didapatkan antara studi literatur dari penelitian terdahulu, aplikasi Metode Magnetik, serta asesmen langsung di lapangan di dapatkan masuk kategori baik sebagai suatu sumberdaya warisan geologi. Masyarakat lokal diharapkan mempunyai pemahaman dan bersama-sama pemerintah membantu dalam membangun, menjaga dan pengembangan kawasan semburan lumpur di kawasan ini, terutama Gunung Lumpur Kalanganyar, Sedati, sebagai kawasan wisata warisan geologi di kawasan Surabaya-Sidoarjo
PEMODELAN TSUNAMI DI KECAMATAN PACITAN DAN KECAMATAN NGADIROJO KABUPATEN PACITAN JAWA TIMUR Aditama, Ferdian Yoga; Widodo, Amien; Rochman, Juan Pandu Gya Nur; Pribadi, Sugeng
Jurnal Geosaintek Vol. 9 No. 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

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Selama kurun waktu tahun 1600 hingga 2007 telah terjadi kurang lebih 109 tsunami di Indonesia dengan 90% diakibatkan gempa tektonik. Pacitan berada pada daerah tunjaman (subduction) yang sangat rawan terhadap gempabumi dan tsunami. Kondisi morfologi pesisir Pacitan berpotensi besar terhadap bahaya tsunami. Penelitian ini bertujuan untuk melakukan pemodelan tsunami yang dibangkitkan oleh gempa hipotetik megathrust segmen Jawa Timur berkekuatan Mw 8.7. Metode yang digunakan Cornell-Multi Grid Coupled dengan software COMCOT 1.7. Sistem nested grid menggunakan 4-layer terdiri dari 1-layer GEBCO, 2-layer batimetri, dan 1-layer integrasi untuk menghasilkan pemodelan tsunami dengan resolusi yang tinggi. Hasil penelitian menunjukkan skenario gempa hipotetik megathrust segmen Jawa Timur menyebabkan vertical displacement pada permukaan laut sebesar -4.59 m hingga 7.02 m. Propagasi tsunami ke arah utara menuju pesisir Pacitan memiliki amplitudo maksimum 33.16 m dengan waktu tempuh 23 – 29 menit kemudian menyebar ke segala arah. Jangkauan inundasi terjauh terjadi di Kecamatan Pacitan sejauh 4.19 km ke arah utara Pantai Ranuharjo, sedangkan run-up maksimum 21.82 m terjadi di Pantai Soge Kecamatan Ngadirojo. Berdasarkan peta bahaya tsunami, Kecamatan Pacitan memiliki luasan area terdampak inundasi paling luas 21.63 km2, sedangkan luasan area inundasi terkecil di Kecamatan Tulakan 0.33 km2.
Analisis XRD dan Suseptibilitas Magnetik untuk Identifikasi Karakteristik Endapan Lumpur pada Wilayah Timur Laut Gunung Lumpur X Kurniawan, Akbar Dwi; Widodo, Amien; Mariyanto, Mariyanto
Jurnal Geosaintek Vol. 9 No. 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

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ANALYSIS OF FLOOD HAZARDS IN MAGETAN REGENCY USINGDISTANCE SENSING METHOD Jamilah, Zahrotin; Widodo, Amien; Singgih Purwanto, Moh
Journal of Marine-Earth Science and Technology Vol. 2 No. 2 (2021): September
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1406.196 KB) | DOI: 10.12962/j27745449.v2i2.60

Abstract

Flood is an annual disaster that hits all over Indonesia, and Magetan Regency is one of the affected area . The high regional topography in the western part and the relatively flat topography in the eastern part making it potential for flood to be higher in the eastern part. The DEM (Digital Elevation Model) topography, Landsat maps, and hazard index maps can be identified by remote sensing using regional administration map data, the level of slope slope and vegetation density can be mapped using NDVI method, and the classification of the flood risk level of an area can be done using ArcGIS software. The slope of the slope and the density of vegetation will affect the level of potential flood hazard. There is a low level of potential for flooding on steep slopes because the air will flow and accumulate on the lower plains. Higher vegetation density will provide a good air catchment area. The level of vegetation density is also higher in the western part. Based on the percentage of the affected area, the low flood hazard level reaches 73.3%, so it can be concluded that the flood hazard level in Magetan Regency is low. It is necessary to provide adequate land and channels capable of providing air flow.
MAPPING TSUNAMI HAZARD LEVELS IN PACITAN BEACH USING REMOTE SENSING METHODS Jamilah, Zahrotin; Widodo, Amien; Ariyanti, Nita
Journal of Marine-Earth Science and Technology Vol. 2 No. 1 (2021): April
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1455.937 KB) | DOI: 10.12962/j27745449.v2i1.64

Abstract

Pacitan Regency is one of the tourist destinations in East Java due to the beauty of tourism from the caves to the beaches that stretch along the southern part of Pacitan. Apart from tourism potential, Pacitan Regency, which borders the Indian Ocean in the south, has the potential to be hit by a tsunami wave that occurs due to the collision of the Eurasian and Indo-Australian plates. By using a remote sensing method, it can be seen how the tsunami hazard level of an area is based on the parameters of the slope, the height of the area, and the distance from the coastline. In addition, the level of exposure of the population is also a factor in determining the level of tsunami hazard. In Pacitan Regency, the area affected by the low level tsunami reached 33753 Hectare, the medium level was 13498 Hectare, and the high level was 3828 Hectare. Areas with a high level of danger are located along the coast which extends in the southern part of Pacitan Regency. The area with the highest level of danger with a wider coverage is around Pacitan Bay. Therefore, it is necessary to have an appropriate mitigation system in reducing the risk of tsunamis, especially around the coast which is used as a tourist destination.
ANALYSIS OF FLOOD DISASTER AREAS, JOMBANG REGENCY, EAST JAVA USING ARCGIS REMOTE SENSING Iswandaru, Yoga Satria Iswandaru; Widodo, Amien; Singgih Purwanto , Moh.
Journal of Marine-Earth Science and Technology Vol. 2 No. 3 (2021): December
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v2i3.100

Abstract

Flood is one of the natural disasters that occur in Indonesia. Each region in Indonesia has a different flood hazard level. Therefore, a study was conducted to map the level of flood hazard in Jombang Regency, East Java. Remote sensing methods are used to map flood-prone areas, ArcMap software is used to map disaster-prone areas and mapping vegetation density. The data required is in the form of flood data index from Inarisk and Landsat 8 imagery data from USGS. From these data, four maps were generated, namely the vegetation density map and the flood hazard map in the Jombang area. From the vegetation density map, it can be seen from the value it determines the level of vegetation density in the area, while the flood hazard map is categorized into three hazard categories, namely low, medium and high. And it was found that the lower the level of vegetation density, the higher the level of flood hazard in the area, and vice versa and it is also known that the Brantas river affects flooding in Jombang. Then seen from the regional geology, the area of North Jombang absorbs air more quickly because it is composed of karst rocks. Judging from the area of the flood hazard level, the Jombang area is more dominant to the moderate hazard level.
Using Virtual Outcrop Models as a Geological Learning Media Fajar, M. Haris Miftakhul; Widodo, Amien; Puswanto, Eko; Alfany, Marsha Khairia; Wirayudhatama, Mahendra; Abdullah, Fikri
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3398

Abstract

The Covid-19 pandemic has impacted various sectors due to a new wave of technology rising shortly, specifically geological learning models. Using research and development methods, the research aims to develop more scientific observations as a provision for pre-field work activities at Geophysical Engineering Department Institut Teknologi Sepuluh Nopember. Furthermore, we need a media that can provide learning that can emphasize process skills and students' abilities to determine and understand the objective concepts of material. Virtual outcrop models integrated with video learning platform can fulfil the learning process by providing experience in observations outcrops directly in the class. A three-dimensional (3D) Virtual Outcrop Model (VOMs) was created using the photogrammetry software Agisoft PhotoScan based on photos taken in the field using smartphones and drones. The existence of this media is expected to add direct experience to visualize how geological phenomena occur in nature. The learning activities are divided into four sequential stages: observation, data collection, interpretation, and hypothesis giving. 87% of respondents stated that learning models using VOMs and videos can boost their knowledge of scientific observation. This learning method can help improve academic achievement because it applies technology implementation in theory and practice, providing geological information to us
Subsurface Analysis on Ranu Grati Lineaments with Satellite Gravity Data Putra, Dhea Pratama Novian; Fajar, M. Haris Miftakhul; Warnana, Dwa Desa; Widodo, Amien; Ulumuddin, Faqih; Zukhrufah, Syabibah Zakiyya
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3400

Abstract

The lineaments with NE-SW direction formed by the Umbulan Spring, Banyubiru Spring, and Ranu Grati Maar in Pasuruan Regency indicate a geological structure. This structure is predicted to play a role in forming these springs and maar. Therefore, a study was conducted to identify the presence of these geological structures using the GGMPlus satellite gravity data. The data used in this study were 945 points with spacing intervals of about 200 to 300 meters. Satellite gravity data needs to be corrected so that the Complete Bouguer Anomaly (CBA) value is obtained, which can be used to determine the distribution of density contrast values ​​in the research area. Gridding is done by using a Second Vertical Derivative (SVD) filter to determine existing fault that results in the lineaments of the two springs and maar based on the second derivative value from CBA. It was found that the range of interpolated CBA values ​​in the study area was around 143 mGal to 150 mGal. SVD analysis indicates existing a fault plane exists through Umbulan Springs, Banyubiru Springs, and Ranu Grati Maar with E-W direction.
Co-Authors Adhitama Rachman Adib Banuboro Aditama, Ferdian Yoga Afif, Hamzah Ahmad Iqbal Hamami Alam, Kharis Aulia Alfany, Marsha Khairia Ali Masduqi Andradit, Fikrizan Anik Hilyah Anindya Putri R Anindya Putri R Anwar, Nadjadji Arief Alihudien Arief Ismanto Arif, Musta'in Aripin, Pegri Rohmat Ariyanti, Nita Ary Iswahyudi Aryaseta, Bagas Aryaseta, Bagas Bahri, Ayi Syaeful Bella Esti Ajeng Syahputri Bimakurnia Septadi Chemistra, Paul Christopher Salim Daniel Oranova Siahaan Dhea Pratama Novian Dhea Pratama Novian Putra Dwa Desa Warnana Eko Puswanto Eko Puswanto, Eko Elfarabi Elfarabi Elfarabi, Elfarabi Erik Sapta Perbawa Fajar, M. Haris Miftakhul Fakhriar Naufaldi Faqih Ulumuddin Febrianty, Angeline Ferdian Yoga Aditama Fikri Abdullah Fikri Abdullah, Fikri Fikrizan Andradit Firman Syaifudin Fuadur K Ghazalli, Muhammad Gita Akbar Satriawangsa Gita Akbar Satriawangsa Hamami, Ahmad Iqbal Hamzah Afif Hanif Dhiyaz Ulhaq F Hardyani, Putry Vibry Hetty Triastuty Hetty Triastuty Hilyah, Anik I Putu Artama Wiguna Ira Mutiara Anjasmara Ira Mutiara Anjasmara, Ira Mutiara Irwan Setyowidodo, Bagus Jaya Santosa Ismantor, Arief Iswandaru, Yoga Satria Iswandaru Jaka Rahadiansyah Jamilah, Zahrotin Juan Pandu Gya Nur Rochman K, Fuadur Zakki Ketut Dewi Martha Erly Kharis Aulia Alam Kurniawan, Akbar Dwi Lestari, Wien Lukman Noerochim Lutfi Zakariah M Haris Miftakhul Fajar M, Mahendra A M. Singgih Purwanto Mahendra A M Mahendra Wirayudhatama Mariyanto Mariyanto Marsha Khairia Alfany Muhammad Ghazalli Muhammad Ghazalli Muhammad Mifta Hasan Muhammad Mifta Hasan Muhammad Nurul Puji Muhammad Reza Shalahuddin Noor Muhazzib F Muthiul Padlilah N R, Juan Pandu G Naufaldi, Fakhriar Nefrizal Nefrizal Nefrizal Nefrizal Nizar Dwi Riyantiyo Nova Nevila Rodhi Novian, Dhea Pratama Nugroho, Wicaksono Dwi Nurlaili Humaidah Nurokhim, Arif Padlilah, Muthi’ul Pamungkas, Adjie Paul Chemistra Pegri Aripin Pegri Rohmat Aripin Purwanto, M Singgih Purwanto, Mohammad Singgih Putra Sukandar, Eka Cahya Putra, Dhea Pratama Novian Putry Vibry Hardyani Rahadiansyah, Jaka Rahmaningtyas, Anindya Putri Rahmatun Inayah Ramadhanty, Aura Zahra Rizky Rahmadi Wardhana Rizky Rahmadi Wardhana Robi Alfaq Abdillah Roslee, Rodeano Royke Wenas Salim, Christopher Septadi, Bimakurnia Singgih Purwanto Singgih Purwanto , Moh. Singgih Purwanto, Moh Siti Kamilia Aziz Sugeng Pribadi Sugeng Pribadi Syabibah Zakiyya Zukhrufah Syahputri, Bella Esti Ajeng Syaifuddin, Firman Syaifuddin, Firman Tatas, Tatas Thufeil Amr Adausy Ulumuddin, Faqih Umi Yuhana Ummi Fadlilah K Utomo, Agung M. Wardhana, Rizky Rahmadi Wardhana, Rizky Rahmadi Widya Utama Wijaya, I Putu Krishna Wirayudhatama, Mahendra Zakaria, Moch Lutfi Zukhrufah, Syabibah Zakiyya