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Slope stability analysis by integration of seismic refraction method and geotechnical soil testing: Case study of landslide in Bulobulo Village, Barru Regency, Indonesia Sam, Dwi Nurfajriana; Massinai, Muhammad Altin; Pramatadie, Andi Muhamad
Journal of Degraded and Mining Lands Management Vol. 12 No. 3 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.123.7779

Abstract

This research investigated slope stability issues in Bulobulo Village, Barru Regency in Indonesia, which is known to experience very high landslide occurrences, particularly in steep slopes with seasonally altered overburden rocks through refraction seismic method and geotechnical analysis. This study conducted mechanical and physical soil tests in the laboratory, and the geophysics study investigated subsurface configuration. The set of data collected also reflected some seismic velocity anomalies, which are signs of variations in the arrangement of the substructure. A geotechnical investigation of the slope showed low cohesiveness and high water content, which were detrimental to stability. The factor of safety (FoS) calculated using the limit equilibrium technique established some slopes as being in a critical state and, hence, at risk of landslides. Such integration of methods allows one to make data-driven proposals for landslide prevention and provides a comprehensive comprehension of slope performance.
Development of Risk Maps and Implementation of Socialization of Earthquake Disaster Mitigation in Matano Village, East Luwu Regency Pramatadie, Andi Muhamad; Drajat, Elzaskiah; Sari , Nurmala
International Journal for Disaster and Development Interface Vol. 5 No. 1 (2025): April 2025
Publisher : Amcolabora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53824/ijddi.v5i1.99

Abstract

Community service activities in Matano Village, East Luwu Regency, with a focus on developing earthquake risk maps and disaster mitigation pocketbooks, were carried out from July 8 to August 15, 2024. Given the geographical location of Matano Village adjacent to the Matano Fault, which has a high potential risk of earthquakes, this activity aims to increase community preparedness in dealing with disasters. Through the Real Work Lecture (KKN) conducted by Hasanuddin University, data was downloaded from InaRisk BNPB, followed by socialization to the public about earthquake risk and mitigation measures that need to be taken. The results of this activity are in the form of risk maps and pocket books which are expected to increase public understanding and awareness of potential earthquake disasters. This research is expected to be a reference in disaster mitigation efforts, especially in earthquake-prone areas.