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Journal of Experimental and Applied Physics
Published by Universitas Negeri Padang
ISSN : 29880378     EISSN : 29879256     DOI : -
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Materials Science & Nanotechnology Physics
Journal of Experimental and Applied Physics: an international peer-reviewed open-access journal dedicated to interchange for the results of high-quality research in all aspects of theoretical physics, applied physics, electronics and instrumentation, material physics, biophyiscs, geophysics, high energy physics and computational physics.
Arjuna Subject : Fisika dan Astronomi - Instrumentasi
Articles 81 Documents
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Identification of Landslide-Prone Areas in Bukik Lantak Timpeh Subdistrict Dharmasraya Regency Using the HVSR Method Andesta, Cindy
Journal of Experimental and Applied Physics Vol 3 No 3 (2025): September Edition
Publisher : Department of Physics, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jeap.v3i3.130

Abstract

Landslides are one of the natural disasters caused by the movement of soil or rock masses downhill. Landslides are caused by disturbances in the stability of the soil or rock that make up the slope. One of the areas frequently affected by landslide is Timpeh Subdistrict. Therefore, microtremor data collection was conducted at Bukik Lantak, Timpeh Subdistrict, Dharmasraya Regency to determine the predominant frequencies and amplification factors in the region, utilizing the Horizontal to Spectral Ratio (HVSR) method. Furthermore, the dominant frequency and amplification values were processed to determine the seismic vulnerability index and shear wave velocity were used to identify areas prone to landslides. Based on the analysis of microtremor data, the dominant frequency values ranged from 0.1 to 9.55 Hz, amplification factor values ranging from 1.11 to 4.12, seismic vulnerability index values between 0.3052 and 15.376, and shear wave velocity values ranging from 120 m/s to 1800 m/s. Areas with high landslide potential are those with a combination of low dominant frequency values, low shear wave velocity, high amplification factor values, and high seismic vulnerability indices. Areas meeting these criteria are located at research points TP1, TP3, TP5, TP7, TP15, and TP16.

Page 9 of 9 | Total Record : 81

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