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All Journal JOURNAL ONLINE OF PHYSICS Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Kuncoro, Kirana Helga Aimee
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Materials Science & Nanotechnology Physics

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APLIKASI SISTEM INFORMASI GEOGRAFIS UNTUK PEMETAAN DAERAH BERPOTENSI TSUNAMI DI DESA BATU BALAK, KECAMATAN RAJABASA, KABUPATEN LAMPUNG SELATAN Mulyasari, Rahmi; Solihin, Hafiz Ibnu; Ghiffary, Aviv Irfan Wildan; Kuncoro, Kirana Helga Aimee; Haerudin, Nandi; Yulianti, Titin; Mulyatno, Bagus Sapto
JOURNAL ONLINE OF PHYSICS Vol. 9 No. 3 (2024): JOP (Journal Online of Physics) Vol 9 No 3
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v9i3.36177

Abstract

Desa Batu Balak merupakan salah satu pemukiman yang terdampak oleh tsunami yang melanda Selat Sunda pada tahun 2018. Letaknya yang dilintasi sungai dan berdekatan dengan pesisir pantai meningkatkan kerentanannya terhadap tsunami. Selain itu, tingkat keterpaparan tsunami juga dipengaruhi oleh ketinggian dan kelandaian lereng yang ada. Tujuan dari penelitian ini adalah memetakan tingkat bahaya tsunami sebagai sarana pengurangan risiko bencana di tingkat desa, sesuai dengan Peraturan Kepala BNPB No.1 Tahun 2012 tentang Desa Tangguh Bencana. Penelitian ini memanfaatkan Sistem Informasi Geografis (SIG) untuk menganalisis data dari berbagai sumber, termasuk data SHP, DEM SRTM 30 M Lampung Selatan, dan data tutupan lahan Indonesia dari Badan Informasi Geospasial. Hasil penelitian menunjukkan bahwa kawasan pemukiman di pesisir pantai Desa Batu Balak memiliki kerentanan tinggi terhadap tsunami. Studi ini telah menghasilkan peta zonasi tsunami untuk Desa Batu Balak, yang dapat digunakan dalam pembangunan jalur evakuasi tsunami dan peningkatan infrastruktur desa.
Identification of Basalt Rock Distribution Using Resistivity Geoelectric Method in The National Capital City (IKN), Paser, East Kalimantan Sopan, Langnanda Ekakurnia Putri; Agustin, Erisa; Kuncoro, Kirana Helga Aimee; Sarkowi, Muh; Kuswanto, Agus; Kumalasari, Isti Nur; Mulyasari, Rahmi
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.2024.7081

Abstract

The construction of the National Capital City (IKN) is currently being carried out in East Kalimantan, resulting in increased demand for construction materials. Basalt is among the rocks that can be used as construction material in IKN. This rock has a high economic value due to its high demand but limited quantity. Basalt exploration around IKN is carried out to acquire rock resources and reduce construction costs due to its proximity to the site. This study aims to determine the distribution of basalt in the Kuaro area, East Kalimantan. The geology of the research area is composed of the Ultramafic Complex Formation, which comprises gabbro, basalt, serpentinite, and harzburgite. This research uses the Wenner-Alpha configuration geoelectric method to identify the distribution of basalt in the subsurface. Geoelectric measurements were carried out on six measurement lines, each line length of 470 m and electrode spacing of 10 m. The results of geoelectric data analysis show that the basalt has a specific resistivity value ranging from 200–4022 Ωm. Basalts were identified at depths of 10–75 m with 145 m, 325 m, 165 m and 183 m thicknesses in lines 1, 2, 5 and 6, respectively. The presence of basalt in lines 3 and 4 is at a depth of 10–75 m with an average thickness of 153 m and 125 m, respectively. Economically, basalt rocks in this area are classified as medium to highly recommendable for exploitation.
Co-Authors Agus Kuswanto Agustin, Erisa Bagus Sapto Mulyatno Ghiffary, Aviv Irfan Wildan Kumalasari, Isti Nur Muh Sarkowi Mulyasari, Rahmi Nandi Haerudin Solihin, Hafiz Ibnu Sopan, Langnanda Ekakurnia Putri Titin Yulianti