Determination of Landslide Area using Geoelectrical Resistivity by Dipole-Dipole Method due to the Cianjur Earthquake, Indonesia

Juwita, Juwita and Adriyati, Meilani and Purnama, Adhitya Yoga and Astuti, Pinta and Liu, Zhongyu (2023) Determination of Landslide Area using Geoelectrical Resistivity by Dipole-Dipole Method due to the Cianjur Earthquake, Indonesia. In: 2023 International Workshop on Artificial Intelligence and Image Processing (IWAIIP), 1-2 Desember 2023, Yogyakarta.

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Abstract

Landslides are complex geological occurrences with socio-economic impacts, causing significant loss of life and physical catastrophe. Most landslides are triggered by heavy rainfall, earthquakes, or combinations. Therefore, it is necessary to study behavior to identify indicators related to landslides. This study will evaluate the geometry and depth of the crucial slip surface zone in the Cianjur earthquake on November 21, 2022 to understand landslide factors. The geoelectric dipole-dipole approach predicts geological layer slip surfaces. This method was chosen to interpret surface visualization and rapid data acquisition by varying electrical resistivity utilizing a pair of current and potential electrodes for rapid and specific geological profile surveys. This study examined six landslide cross-sections. Four sections were studied at 60 meters deep, and two at 30 meters. The investigation showed that the landslide type was rotational and dominated by tuff, with resistivity values ranging from 12 to 60 ohmmeters. The critical slip surface was found in the tuff layer and lava below it, which had higher resistivity than 60 Ohmmeters, a 40-meter slip surface, and a 3200 square-meter landslide area in the middle. Based on this study, the determination of slip surface using geoelectric with the dipole-dipole method can help analyze the landslide area. © 2023 IEEE.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Cited by: 0
Uncontrolled Keywords: Data acquisition; Data visualization; Geology; Landslides; Ohmmeters; Rain; 2022 cianjur earthquake; Dipole methods; Dipole-dipole; Dipole-dipole method configuration; Geoelectric; Geoelectric resistivity; Geoelectrical; Indonesia; Landslide areas; Slip surfaces; Earthquakes
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Vocational School
Depositing User: Sri JUNANDI
Date Deposited: 03 Nov 2024 13:29
Last Modified: 03 Nov 2024 13:29
URI: https://ir.lib.ugm.ac.id/id/eprint/10542

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