Identification of Subsurface Materials in Landslide-Susceptible Areas in the Pacet-Trawas Road Corridor Using the Geoelectrical Resistivity Method

Landslides are caused by changes in the structure of subsurface materials on steep slopes due to weathered rock conditions and soil pores saturated conditions. This study used geoelectric resistivity method identify type landslide-susceptible areas Pacet-Trawas road corridor, Pacet District, Mojokerto Regency. The research location was an area with undulating mountainous morphology. geoelectrical configuration dipole-dipole a measuring path length 100 meters at three measurement points. based geological formations distribution landslide points along corridor. 2D models produced showed values between 8.11 Ohm.m 390 Ohm.m. consisted groundwater, volcanic breccia, lava rock, tuffaceous conglomerate, andesite-basaltic depth 1.5 25 below ground surface. dominated parent lava, basalt, andesite. Locations high threat were located two conglomerate breccia.
 Keywords: resistivity, dipole-dipole, material