Abstract
Jurangjero and Kampung villages are one of the areas in the Ngawen sub-district, Gunung Kidul Regency, Special Region of Yogyakarta, Indonesia. The research area is located in the Southern Mountain regionally, especially the Baturagung Sub-Zone. This area is part of The Baturagung Hills, dominated by weathered andesite breccia, tuff, sandstone, and limestone. The topography of these hills can be divided into three slopes, 15-30%, 30-45%, and more than 45%. A soil movement event happened in Jurangjero Village, the biggest, on January 15, 2020, which caused heavy damage to people’s homes, road damage, and breaking bridges. Geographic Information System (GIS) and Analytic Hierarchy Process (AHP) model were applied to identify landslide conditioning factors and produce the landslide susceptibility map. Four conditioning factors including slope, lithology, faults to distance, and land use, were combined using ArcGIS 10.8 to create the landslide susceptibility map of the research area. The research area is divided into four landslide susceptibility zone very low, low, moderate, and high, with each zone of 36%, 20%, 41%, and 3%, respectively. A significant percentage (3%) of the research area with high landslide susceptibility is located along the steep slope, showing the landslides’ locations.
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