Analisis Kerawanan Longsor Lahan (Landslide) Di Kecamatan Wonosalam Kabupaten Jombang Berbasis Sistem Informasi Geografis Tahun 2024

Hamalnafaza, Al Deezhar and , Prof. Dr. Kuswaji Dwi Priyono., M.Si (2025) Analisis Kerawanan Longsor Lahan (Landslide) Di Kecamatan Wonosalam Kabupaten Jombang Berbasis Sistem Informasi Geografis Tahun 2024. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Wonosalam District is one of the districts in Jombang Regency which is located in a highland area with an altitude of 459 meters above sea level with a mountainous land form. According to records from the Jombang Regency BPBD, in 2022 Wonosalam District experienced 5 landslide incidents. In 2024, this district experienced 4 landslide incidents and in early 2025, namely in January-March, there were 3 landslide incidents. The purpose of this study was to analyze the level of landslide vulnerability and analyze the dominant factors causing landslide vulnerability in Wonosalam District. The research method used in this study is the overlay method to find land units as research samples and the scoring method to determine landslide vulnerability areas. The method of analyzing the dominant factors causing landslide vulnerability, this study uses the frequency table method. The parameters used in this study are slope gradient, soil type, geological type, land use and rainfall. According to the research results, Wonosalam District has 3 levels of vulnerability classes, namely low, medium and high vulnerability classes. Low landslide vulnerability covers an area of 25.66 km2, medium vulnerability class covers an area of 37.77 km2 and high vulnerability class covers an area of 9.31 km2. The high vulnerability class is in Panglungan, Carangwulung, Wonosalam, Sambirejo, Jarak and Galingdowo Villages. The dominant factors causing vulnerability are soil type with a percentage of 23% and slope gradient with a percentage of 22%.

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	kerawanan, longsorlahan, kecamatan wonosalam.
Subjects:	G Geography. Anthropology. Recreation > G Geography (General) G Geography. Anthropology. Recreation > GA Mathematical geography. Cartography > Pemetaan Lahan
Divisions:	Fakultas Geografi > S1 Geografi
Depositing User:	AL-DEEZHAR HAMALNAFAZA
Date Deposited:	01 Aug 2025 07:00
Last Modified:	01 Aug 2025 07:00
URI:	http://eprints.ums.ac.id/id/eprint/136845

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