Analisis Tingkat Kerawanan Longsor Lahan di Kecamatan Selo Kabupaten Boyolali Menggunakan Sistem Informasi Geografis Tahun 2023

Fauziah, Assyifa Ikhwaniar and , Agus Anggoro Sigit, S.Si., M.Sc. (2025) Analisis Tingkat Kerawanan Longsor Lahan di Kecamatan Selo Kabupaten Boyolali Menggunakan Sistem Informasi Geografis Tahun 2023. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

The Selo District in Boyolali Regency has been identified as an area at high risk for landslides. This research applies Geographic Information System (GIS) technology to evaluate landslide susceptibility based on five key factors: slope, soil characteristics, geological conditions, rainfall patterns, and land utilization. The research objectives include identifying the degree of landslide vulnerability in Selo District, validating these levels against actual landslide occurrences, and determining the most influential factors contributing to vulnerability. A survey method combined with land unit analysis is employed, using overlay techniques, vulnerability map assessments, field surveys, and frequency table analysis. The findings indicate that high vulnerability zones dominate the area, encompassing five land units— V1-I-AC-PK, V1-V-AC-ST, V2-II-AC-TL, V1-III-PM-PK, and V2-IV-PM-PR—with a total affected area of approximately 38,577,800 m² or 64.31% of the district of the total area of the sub-district to verify the results of the analysis used data with 15 events utilized in this study and based on data from BPBD in 2023. The results showed a match between the landslides from GIS analysis and factual landslide. Soil type and rainfall are identified as the primary contributing factors, particularly the prevalence of Andosol soil with low structural stability on steep slopes. The validation process shows a 35.70% match between the vulnerability classification and actual landslide events, with slope gradient (19.97%) and soil type (24.58%) emerging as the dominant triggering factors.

Item Type: Thesis (Skripsi)
Uncontrolled Keywords: Selo Region, Landslide Vulnerability, Land Division, GIS Technology
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
G Geography. Anthropology. Recreation > GB Physical geography
G Geography. Anthropology. Recreation > GE Environmental Sciences > Natural disasters
Divisions: Fakultas Geografi > S1 Geografi
Depositing User: ASSYIFA IKHWANIAR FAUZIAH
Date Deposited: 02 Oct 2025 08:58
Last Modified: 02 Oct 2025 08:58
URI: http://eprints.ums.ac.id/id/eprint/138884

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