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Journal : Indonesian Journal on Geoscience

Landslide Potential Investigation for Disaster Risk Reduction in Central Bengkulu Regency, Bengkulu Province, Indonesia Hadi, Arif Ismul; Refrizon, Refrizon; Farid, Muchammad; Harlianto, Budi; Sari, Julia Inti
Indonesian Journal on Geoscience Vol 8, No 3 (2021): in-press
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.8.3.313-328

Abstract

Bengkulu Province is the converging path region between the Indo-Australian - Eurasian tectonic plates in the ocean and the Sumatran f ault crossing on the mainland. The condition implies that the sliding force of the slab is easy to trigger fractures and to cause the material to be relatively less elastic, resulting in high seismic intensity. This study aims to identify areas with the potential for landslides and its mapping, and to analyze the factors that cause landslides in Central Bengkulu Regency, Bengkulu Province, Indonesia. This study was conducted using rock physical parameters of ground shear strain (GSS) which were correlated with parameters of slope, slope height, Vs30 value, fault distance to measurement point, rock conditions, rainfall, and PGA value. Furthermore, these parameters were overlaid thoroughly by the statistical method of the Analytical Hierarchy Process (AHP). Data acquisition is divided into two stages, namely the secondary data collection stage and the field survey stage. Secondary data collection was carried out to support the creation of landslide potential maps, analysis, and field survey data input. Secondary data is the value of Vs 30, the distance of the fault to the measurement point, rainfall, and the PGA value. Field survey data are in the form of GSS values, slope, slope height, and rock conditions. The results of this study are identified areas that have the category of high, medium, and low landslide potential. Based on the calculated parameters, the GSS parameter is the most dominant which affects the landslide potential in the studied area.
Co-Authors Agus Martono HP Al Ansory, Andre Rahmat Al-Ansory, Andre Rahmat Alda Sulistiani Andre Rahmat Al Ansory Andre Rahmat Al Ansory Andre Rahmat Al Ansory Anggi, Arya Putra Apriyanti, Nurul Apriza Hongko Putra Arif Ismul Hadi Arif Ismul Hadi Arif Ismul Hadi Arif Ismul Hadi Arif Setiawan Arrahma, Mawadatul Arya Putra Anggi Ashar Muda Lubis Awaliyah, Isfardian Agustin Azhari, M Fikri Azhari, M. Fikri Baringin, Rolando Charles Banon Daniel, Adrian Darmawan Ikhlas Fadli Darmawan Ikhlas Fadli Deni Agustriawan Desi wulandari Desrina Saragih, Rika Dwi Wahyuni Ganefianti Eko Heru Purwanto Elfi Yuliza Entang Inoriah Erma Juniarti Fadillah Humairah Farid, Muchammad Farid, Muchammad Farid, Muchammad Faritz Bagda Maghribi Febriansyah, Gian Ori Frinsyah Virgo Geri Budianto Gumanty, Usman Hairunnisa Norfahmi, Siti Halauddin Halauddin Halauddin Halauddin Halauddin Halauddin Hana Raihana Hana Raihana Hana Raihana Helfi Eka Saputra Helfi Eka Saputra Ikhlas Fadli, Darmawan Isfardian Agustin Awaliyah Juhendi Sinaga Julia Inti Sari Kamila, Nur Husniatin Lizalidiawati Lizalidiawati Lizalidiawati M. Farid Maghribi, Faritz Bagda Malik Krisbudianto Mardhatillah Sariyanti Morina Adfa Muchammad Farid Muchammad Farid Muchammad Farid Muchammad Farid Muchammad Farid Muchammad Farid Muhammad Siaman Nanang Sugianto Nanang Sugianto Nanang Sugianto Norfahmi, Siti Hairunnisa Nur Husniatin Kamila Nurul Hudayat Nurul Hudayat Prasetyo Prasetyo Pritama, Vinki Loverly Rabbani, Muhammad Rifqi Raihana, Hana Refrizon Refrizon Refrizon Refrizon Refrizon Refrizon Refrizon Refrizon Refrizon Refrizon Refrizon, Refrizon Refrizon, Refrizon Rendi Hanapi Rida Samdara Ripal Zamrawi Samsul Bahri Saputri, Welly Saputri, Winda Sari, Julia Inti Sari, Julia Inti Shela Basaria Purba Suhendra Suhendra Supiyati . Suwarsono Suwarsono Suwarsono Suwarsono Suwarsono Suwarsono Suwarsono Teja Dwi Sutanto Triawan, Deni Agus Usman Gumanty Vinki Loverly Pritama Welly Saputri Yohana Christy Sinaga