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Summary

This paper applied weights-of-evidence modeling in a GIS to create landslide susceptibility maps for two small catchments in Shikoku, Japan, each with an area of less than 4 sq km. Thematic maps were generated based on various factors related to landslide activity, such as slope, aspect, relief, flow accumulation, soil depth, soil type, land use, and distance to roads. The study found that weights-of-evidence modeling was a useful approach for landslide susceptibility mapping in small catchments with homogeneous geology. Accuracy was assessed through success rates.