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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Neutrino : jurnal fisika dan aplikasinya INDONESIAN JOURNAL OF APPLIED PHYSICS KARST : Jurnal Pendidikan Fisika dan Terapannya JUMANTIK (Jurnal Ilmiah Penelitian Kesehatan) Proceeding Of International Conference On Education, Society And Humanity
Ahmad Luthfin
Universitas Islam Negeri Maulana Malik Ibrahim Malang
Religion Humanities Astronomy Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Physics Public Health Other

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Journal : INDONESIAN JOURNAL OF APPLIED PHYSICS

 1 
Analisis Kerentanan Bahaya Gempa Bumi Tektonik Merusak Berdasarkan Fungsi Atenuasi Zhao Di Nusa Tenggara Timur Irjan Irjan; ahmad luthfin; Septiana Nur Hidayati
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 12, No 2 (2022): IJAP Volume 12 ISSUE 02 YEAR 2022
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v12i2.59373

Abstract

The East Nusa Tenggara (NTT) region which is located between 2 earthquakes, namely the tectonic plate subduction zone in the south and the Back Arc Thrust zone in the north, is very interesting to study considering the very active tectonic earthquakes that are significantly destructive in this region which have earthquake characteristics shallow and large magnitude. A study has been carried out that aims to determine the vulnerability of the tectonic earthquake to significant damage when seismic waves pass through these islands. The vulnerability information generated can be useful as a reference for disaster mitigation and factors that need to be considered before carrying out development in the NTT region. The input data studied are shallow earthquake data from 1997-2018 at a depth of 60 km and a magnitude M≥5 SR at coordinates 8o 30’-13o 10’ South Latitude and 118o 30’-125o 30’ East Longitude. The number of earthquake events is 198 data. The attenuation function used refers to the attenuation function Zhao, et. al 2006. The results of the study show that. the vulnerability of the tectonic earthquake to significant damage in the East Nusa Tenggara region clustered on the MMI V-VIII intensity scale. Most of these islands are clustered on the MMI VII-VIII intensity scale and only a small part is clustered on the V-VI MMI intensity scale. The NTT region which has an intensity scale of VII-VIII MMI has a high vulnerability to destructive earthquakes, so it is necessary to disseminate disaster mitigation from an early age to the public about the threat of earthquakes and it is recommended that this information be used as a reference in developing the area.
Identification of Geothermal Distribution in The Banyu Biru Hot Water Source using The Magnetic Method Ahmad Luthfin; Nur Amilatu Jubaidah
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 13, No 2 (2023): IJAP Volume 13 ISSUE 02 YEAR 2023
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v13i2.72305

Abstract

The geothermal phenomenon in Banyu Biru hot springs in Gondangwetan Village, Jatikalen District, Nganjuk Regency, has the potential to be developed into a tourist spot and an alternative renewable energy source that is environmentally friendly; for example, a geothermal power plant. So it is necessary to know the distribution of geothermal reservoirs and how much potential energy is contained. This research aims to determine the distribution of geothermal energy in the research area and its geological structure. This study used the Magnetic Method for secondary data obtained from NOAA satellite data. Data acquisition with an area of 2000 meters x 2000 meters obtained 100 data with a spacing of 200 meters. Based on research results, geothermal bursts have a low anomaly value of -50 nT to 25 nT. The low anomaly distribution can be used to determine the geothermal distribution in the area, assuming that areas with the same anomaly value indicate the presence of geothermal energy. The geology of the study area has five layers, namely: Topsoil (soil) has a susceptibility value of 0.0000377 SI, Alluvium has a susceptibility value of 0.00144513 SI, Tufan Clay has a susceptibility value of 0.00692407 SI, Limestone Tuff has a susceptibility value of 0.125713399 SI and Breccia (Andesite and Basalt) has a susceptibility value 0.0126292 SI. The depth of the geothermal source in the study area is ± 250 meters below the surface.
Identifikasi Batuan Pondasi Candi (Andesit) di Bawah Permukaan Sekitar Candi Badut dengan Metode Geolistrik Resistivitas Ahmad Luthfin; Husni Cahyadi K; Jufri Jufri
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 10, No 2 (2020): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v10i2.41384

Abstract

Situs Candi Badut diprediksi memiliki pondasi yang melebar persegi empat untuk menopang bangunan inti candi agar tidak ambles. Situs Candi Badut berdasarkan bentuk fisik bagian atas, susunannya kurang lengkap, sehingga dimungkinkan masih terdapat sisa–sisa batuan yang memenuhi fungsi utuh dari candi tersebut masih terkubur. Berdasarkan asumsi tersebut maka kegiatan penelitian kali bertujuan untuk mengindentifikasi batuan pondasi Candi Badut dan batuan andesit yang terkubur disekitar bangunan candi. Metode yang digunakan adalah metode geolistrik resistivitas, metode ini sering digunakan untuk melakukan investigasi bawah permukaan bumi, karena metode geolistrik resistivitas dapat menentukan jenis dan struktur batuan tanpa harus menggali, hanya berdasarkan sebaran resisitivitas dibawah permukaan. Alat yang digunakan adalah Resisvitimeter OYYO MC OHM lengkap beserta elektrodanya. Konfigurasi untuk susunan elektrodanya menggunakan konfigurasi wenner karena konfigurasi tersebut dianggap mampu memperoleh data yang lebih teliti dibandingkan dengan konfigurasi lainnya. Berdasarkan hasil penelitian pada keseluruhan interpolasi lintasan 1,2,3 dan 4 dengan metode geolistrik resistivitas menggunakan konfigurasi wenner dapat diketahui bahwa batuan pondasi candi (andesit) berada pada kedalaman 0,5-1,5 m,yang merupakan batuan dengan nilai resistivitas terbesar dibandingkan batuan yang lainnya dengan nilai resistivitas batuan kisaran antara 33,87 Ωm-66,8 Ωm, sedangkan pada kedalaman 1,51m-7,91m terdiri dari tanah lanau basah lembek dan tanah lanau, pasiran, tidak ditemukan batuan candi (andesit) yang terkubur didalam tanah.
Co-Authors Adi Susilo Agus Budi Jatmika Arifan Jaya Syahbana Ashari, Almaida Enggar Aulia K Nugraha Dhony Widyasandy Hidayati, Septiana Nur Husni Cahyadi K Husni Cahyadi Kurniawan Husni Cahyadi Kurniawan, Husni Cahyadi Irjan Irjan Irjan Irjan Jufri Jufri Kuntjoro, Yanif Dwi Nugraha, Aulia K Nur Amilatu Jubaidah Ragil Catur Adi Wibowo Septiana Nur Hidayati Swaidatul Masluhiya AF Teguh Suroso Widyasandy, Dhony Yahya, Muhammad Harun