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All Journal Indonesian Journal of Environment and Disaster
Muhammad Annas
Program Studi Pendidikan Geografi, Universitas Sebelas Maret, Surakarta, Indonesia
Earth & Planetary Sciences Environmental Science

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ANALISIS KERAWANAN LONGSOR LAHAN DI KECAMATAN NGARGOYOSO KABUPATEN KARANGANYAR TAHUN 2023 Muhammad Annas; Chatarina Muryani; Setya Nugraha
INDONESIAN JOURNAL OF ENVIRONMENT AND DISASTER Vol. 2 No. 2 (2023): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v2i2.822

Abstract

Karanganyar Regency is one of the districts in Central Java that has natural disasters in the form of landslides caused by varying slopes, with Ngargoyoso District having a high level of landslide vulnerability. This research aims to determine the vulnerability to landslides in Ngargoyoso District. The method involves analyzing land units using scoring and weighting of six key parameters: slope, rock structure, soil type, fault location, rainfall, and land vegetation cover, which are then arranged as an overlay. The research results identified 94 land units divided into two classes of vulnerability to landslides: medium class and high class. The medium vulnerability class covers an area of ​​3,063.90 hectares or around 49.63% of the total area of ​​Ngargoyoso District. In comparison, the high vulnerability class has an area of ​​3,063.90 hectares, or around 50.37% of the total area of ​​the subdistrict. These results provide a clear picture of the vulnerability to landslides in the region, which can be used as a basis for disaster mitigation planning and better land management.
Co-Authors Chatarina Muryani Setya Nugraha