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Journal : POSITRON

Lithological Interpretation of Landslide Zone of Arjuna Road Kalongan Village East Ungaran Use Geomagnetic Method Bustari, Ahdian Azri; Andi, Andi; Wibowo, Nugroho Budi; Niyartama, Thaqibul Fikri
POSITRON Vol 14, No 2 (2024): Vol. 14 No. 2 Edition
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam, Univetsitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/positron.v14i2.75655

Abstract

Arjuna Road in Kalongan Village, East Ungaran, which connects Semarang Regency with Demak Regency, has been cut off due to a landslide. Lithology as an internal controlling factor of landslide occurrence is important to be investigated. Research on the disaster has been conducted to determine the magnetic field anomaly and to interpret subsurface lithology using the geomagnetic method. The research was conducted on the landslide zone at Arjuna Road and its surrounding area using the geomagnetic method with looping data acquisition. The research area includes residential areas and plantation areas of residents with a research area of 1.3 × 0.8 km2 with a total of 104 measurement points. Through the results and analysis of the research, it can be determined that the magnetic field anomalies in the research area range from 17.1 - 882.2 nT where the landslide zone dominantly has a high anomaly indicating the closer the area is to bedrock, and for residential areas and local plantations, the magnetic field anomalies vary from low to high depending on the topography and sediment thickness in the area. In addition, the subsurface lithology in the study area consists of clay soil, claystone, tuff, and volcanic breccia. The impermeable nature of the tuff and the water-low permeable clay soil causes the boundary between the clay soil and tuff layers to become slippery when water seepage occurs, resulting the landslides.
Co-Authors Achmad Maulana Achsan Adam Ardiansyah Aditya Yoga Purnama Ahmad Zarkasi Andi Andi Andi Andi Annas, Mohamad Chairul Arif Gunawan Arif Sudrajat Arif, Iktifal Ajie Aryono Adhi, Aryono Bilqis El Farsiyyi, Billqis El Farsiyyi Budi Astuti Bustari, Ahdian Azri C., Fathunajah Elsha Cindiwati Denny Darmawan Denny Darmawan Desi Mustami Limayukha, Desi Mustami Limayukha Elsa Fadlika Widyantari, Elsa Fadlika Widyantari Elsha C., Fathunajah Fajarningrum, Fitri Fathunajah Elsha C. Hana Rosyida Heningtyas Heningtyas Icha Khaerunnisa Ika Kurnaiwati Ika Kurniawati Ilqia Rahma, Ilqia Rahma Imdadu Rohman Indar Mery Sulya A. Intifadhah, Sahara Hamas Ira Maya Fathonah Jannah, Dea Mutiara Juwita Nur Sembri Khaerunnisa, Icha Khafidh Nur Aziz Khoirunnisa, Salma Kholis Nurhanafi Laila Katriani Meita Aulia Sari Meita Aulia Saru Merizka Marsyelina Mery S. A., Indar Mifta Arunahul Janah Muhammad Faza Syaddad Ar-rafi Mutiara Jannah, Dea Nining Pratiwi Novi Dwi Ariani, Novi Dwi Nur Faqhina Mentari Perdhana, Radhitya Petiwi, Gofur Dyah Ayu Gilang Pratama, Irfan Rahmania Sofyana Ulya, Rahmania Sofyana Ulya Rahmawati, Zeni Restiana, Sheira Anggi Rifka Addawiyah Rosyida, Hana S. A., Indar Mery Sahirah, Firyal Nida Salma khoirunnisa Sarwi Septiana, Rena Sorayawati, Riska Susanti Susanti Syaddad Ar- Rafi, Muhammad Faza Thaqibul Fikri Niyartama Thaqibul Fikri Niyartama Ulfa Fadhilah Umar Umar Umi Habibah Widianingrum, Erlina Widyaningrum, Erlina Wuri Handayani Yosaphat Sumardi Yoshaphat Sumardi Yuni Setiawati