Identifikasi Bidang Gelincir sebagai Upaya Mitigasi Longsor Menggunakan Metode Geolistrik Resistivitas Konfigurasi Wenner di Sucopangepok Jember

Abstract

This research was conducted to analyze the slide field and identify the slope level and direction of the slide field used in landslide disaster mitigation efforts conducted in Sucopangepok Village, Jember. This research uses the wenner configuration resistivity geoelectric method to identify the subsurface cross section. Measurements were made with 4 passes and processed using Res2Dinv software to see 2D cross sections and using Voxler software to see 3D cross sections. Based on the conditions at the research location, there are several points of sliding fields that are at risk of causing landslides, this shows that the soil structure and subsurface constituent rocks at the point of data collection are rock types that easily cause sliding fields so that they are at risk of causing landslides including clay, gravel, clay, tuff, groundwater. The analysis of the slope and direction of the sliding plane is intended as its relevance in landslide mitigation efforts. The steep slope level can risk causing landslides and the direction of the known slide field in this study is included in the rotational type of slide field because the movement of soil and rock masses is semicircular, concave, and some have irregular shapes. Various strategies must be carried out as early prevention of landslides. Things that must be done include setting up a drainage system, planting trees with strong roots, mapping landslide prone areas, forming a prediction team task force, making evacuation routes, preparation and equipment, and disaster response preparedness drills.