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Journal : Indonesian Physical Review

LANDSLIDE AREA MAPPING IN DAMPIT SUBDISTRICT, MALANG DISTRICT, EAST JAVA PROVINCE USING SATELLITE IMAGERY OF GRAVITY DATA FOR DISASTER MITIGATION Sutasoma, Muwardi; Susilo, Adi; Maryanto, Sukir; Aprilia, Faridha; Bunga Puspita, Mayang; Habibiy Idmi, Mohammad; Hasan, Muhammad Fathur Rouf; Almais, Agung Teguh Wibowo; Herwiningsih, Sri
Indonesian Physical Review Vol. 8 No. 3 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i3.487

Abstract

Research using satellite imagery of gravity data has been conducted in the Dampit District, Malang Regency, East Java Province. This research was conducted to identify areas vulnerable to landslides. The results of this research can serve as a basis for the government to develop effective landslide disaster mitigation policies, thereby minimizing the losses incurred. The data used is TOPEX satellite gravity data in the form of Free Air Correction data, and supported by landslide vulnerable areas data from the InaRisk satellite. The research area is 23 km x 16 km with 2 km spacing between points and 184 measurement points. Furthermore, the research area is divided into four areas: Area A1, Area A2, Area A3, and Area A4.  The residual anomaly value in the study area is between 82.7 mGal to 142.4 mGal. The residual anomalies are more variable due to the local nature of the anomalies. The correlation between the residual anomaly value and InaRisk satellite image data shows that Area A4 is the most vulnerable to landslides, especially if there is a trigger such as an earthquake.  This is because Area A4 has a low-density value, a large fault, and is the contact area between the Mandalika Formation and Wuni Formation.
INVESTIGATION OF GROUNDWATER SOURCES IN BANYOL HAMLET MALANG REGENCY USING THE GEOELECTRICAL RESISTIVITY METHOD TO OVERCOME DROUGHT STRATEGY Juwono, Alamsyah M.; Susilo, Adi; Hasan, Muhammad Fathur Rouf; Yunika, Nieske Ari; Annabil, Achmad Achdan; Mujtaba, Mochammad Wafa Husain; Haniyyah, Saffanatul
Indonesian Physical Review Vol. 7 No. 2 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i2.320

Abstract

The drought in Banyol Hamlet, Malang Regency, severely impacts community sustainability. This problem can be overcome if the hamlet has a groundwater source; theoretically, groundwater can be detected using geoelectric resistivity. This research aims to investigate the existence of aquifer layers in Banyol Hamlet, Malang Regency, using the resistivity method Schlumberger configuration. Resistivity data was measured at 5 points with a track stretch of 400 m and a distance between electrodes of 5 m; then, three parallel measurement points were interpolated into a 2D cross-section. Based on the analysis, the presence of the aquifer is considered to be in the breccia tuff layer because the resistivity value is lower than usual in this layer. So, we assume that the tuff breccia rocks can act as an aquifer in the study area. The results of the 2D cross-section show that the shallow aquifer is found at a depth of 10-22 m with a resistivity value of around 30.78 Ωm - 314 Ωm. and a deep aquifer at a depth of 40-125 m with a resistivity value of around 22.34 Ωm - 192 Ωm. So drilling is recommended at measurement points SS-1 and SS-3 in deep aquifers because the thicker the soil layer, the more water infiltration.
Co-Authors Achmad Fakhrus Shomim, Achmad Fakhrus Adinegara, Aldo W. Agastya, Ida Bagus Oka Agung Teguh Wibowo Almais Agung, P. A. Maha Agus Naba Agus Pajrin Ahmad Hanif Al Fathoni, Ahmad Hanif Ahmad Luthfin Ahmad, Mustaffa A. Akhmad Jufriadi Alamsyah Muhammad Juwono ALathief Fashihullisan Andriansyah, M. Annabil, Achmad Achdan Aprilia, Faridha Aris Doyan Asep Setiyo Budi Atok Yuliantono aunur rozaq B. Heri Purwanto Bagus Suryawan Bambang Aviantara Bambang Avianthara Barika Novanta Bunga Puspita, Mayang Chandra, Yuliana Iik Iswanti Dadan Dani Wardhana Denny Denny Yatmadi Deny Saputra Devita Fisas Riyanti Diah Ayu Chumairoh Dimas Pramudito Dipika Anggun Ardianti, Dipika Anggun Dolly Priatna dwi ajeng enggarwati Dwi Febriana Rochmah, Dwi Febriana Dwinanda, Indah Gumilang Eko Andi Suryo Fajar Rakhmanto Fajrin, Rahma Annisa Fakhruddin, Fian Farid Hosni Faridha Aprilia Ganjar Sulastomo Gumelar, Dito Ibrahim Habibiy Idmi, Mohammad Halimah Halimah Hanafi, Muhammad Gusti Alif Zuhry Haniyyah, Saffanatul Hartiningtias, Diny Hermawan, Erwan Hetty Triastuty Hikhmadhan Gultaf Hisyam, Farizky Ibnu fajar sidik Idmi, Mohammad Habibiy Ilham Ilham indria restika anggraeni Intan Dewi Meutia Sari Juhari Juhari, Juhari Juwono, Alamsyah M Juwono, Alamsyah M. Kamali, Ahmad Byan Kevin Aulia Sandi Pratama Kukuh Suprayogi, Kukuh Kuni Azizah Lambertus Francisco Lestari, Santi Arum Puspita Madlazim Madlazim Maryanto - Mauludi Ariesto Pamungkas Mayang Bunga Puspita Moechammad Sarosa Monk, Kathryn A Mu'in, Fatkhul Muhajir Anshori Muhammad Fathur Rouf Hasan Muhammad Hendrasto Muhardi Mujtaba, Mochammad Wafa Husain Muslih Udin Muslim, Teguh Musta, Baba Muwardi Sutasoma Nefrizal Nefrizal Nosevin Mangasi Onrizal Onrizal Osa, Dominggus Benyamin Pegatariana, I Ketut Ari Pratiwie, Dessy Lutfiani Putu Ayu Saraswati Razi, Mohd Adib Mohammad Rehman, Khaista Rika Mayasyafa, Rika rizky gustiansyah Rofi Ridho Nurbilad, Rofi Ridho Rohana, Tatang Salman Hamja Siombone sania cahya maulida Sasmita Fidyaningrum Siti Jazimah Iswarin Sri Herwiningsih Sukir Sukir Sunaryo - Surya Aji Ermanto Suryanto Suryanto Sutan Haji, Alexander T. SUTIKNO Teguh Suroso Titi Kalima Tri Deni Rachman Wasis M.AB, Wasis Wasis Wasis Wasis Wasis Welayaturromadhona Widyasandy, Dhony Yana Cahyana Yasa Suparman Yesika Wahyu Indrianti Yudianto, Didik Yunika, Nieske Ari Zainatul Afidah, Zainatul Zainorabidin, Adnan