Ghina Almira Salsabila, Selly Feranie, Adrin Tohari
A pre-existing landslide mass may be unstable and pose a hazard to critical infrastructures during heavy rainfall. Proper understanding of such a risk is predicated on an accurate hazard characterization. This paper is aimed to present the application of slope stability analysis and the center of mass approaches to estimate run-out distance and velocity of the unstable pre-existing landslide mass in Cibitung, Bandung Regency. The slope stability analysis was carried out using the Pybimstab and Slope/W software. The results of the slope stability analysis using both software resulted in a nearly similar location of the sliding plane within the Cibitung landslide mass. Based on calculations using the center of mass approach, the Cibitung landslide may be classified as an extremely rapid movement with a velocity of up to 7.7 m/s and a run-out distance of up to 38 m. Thus, the landslide risk is still prominent in the study area. © 2023 Author(s).
Department of Physics Education, Universitas Pendidikan Indonesia, Bandung, Indonesia; Research Center for Geotechnology, National Research and Innovation Agency (BRIN), Bandung, Indonesia
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