Mapping of Landslide Susceptible Zones by Using Frequency Ratios at Bluncong Subwatershed, Bondowoso Regency


  • Didik Efendi Master Program in Civil Engineering, Department of Civil Engineering, Faculty of Engineering, University of Jember
  • Entin Hidayah Master Program in Civil Engineering, Department of Civil Engineering, Faculty of Engineering, University of Jember
  • Akhmad Hasanuddin Master Program in Civil Engineering, Department of Civil Engineering, Faculty of Engineering, University of Jember



Bluncong, DEM, Frequency Ratio, Landslide, Satellite Images.


Landslides are the disasters that frequently happen in Bluncong sub-watershed. These incidents have caused damage and malfunction of road infrastructure, bridges, and irrigation buildings. Therefore, it is important to anticipate landslides through mapping of landslide-susceptibility areas The objective of this study is to map landslide susceptibility at Bluncong sub watershed, Bondowoso, by using Geographical Information System and remote sensing. The landslide susceptibility analysis and mapping are conducted based on landslide occurrences with the Frequency Ratio approach. The landslide sites are identified from field survey data interpretation. Digital Elevation Model maps, geological data, land uses and rivers data, and Landsat 8 images are collected, processed, and then built into the GIS platform's spatial database. The selected factors that cause landslide occurrences are land use, distance to river, aspect, slope, elevation, curvature, and the vegetation index (NDVI). The results show that the accuracy of the map is acceptable. The frequency ratio model gained the area under curve (AUC) value of 0.79. It is found that 9.08% of the area has very high landslide susceptibility. Local governments can use this study's mapping results to minimize the risk at landslidesusceptible zones


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How to Cite

Efendi, D., Hidayah, E., & Hasanuddin, A. (2021). Mapping of Landslide Susceptible Zones by Using Frequency Ratios at Bluncong Subwatershed, Bondowoso Regency. UKaRsT, 5(1), 126–141.