FACHRIYENI, . .; INDRIAWATI, . .; PAKPAHAN, . W. .; RIFANI, . .; SIRAIT, . M. M. .; ASNAWI, . .; NUGROHO, . .; SIMANJUNTAK, . V. H. SEISMIC SITE QUALITY ASSESSMENT IN NORTH SUMATRA USING SPECTRAL DENSITY ANALYSIS AND MACHINE LEARNING-BASED CLUSTERING. Jurnal Geosaintek, [S. l.], v. 11, n. 3, p. 376–387, 2026. DOI: 10.12962/j25023659.v11i3.8720. Disponível em: https://journal.its.ac.id/index.php/geosaintek/article/view/8720. Acesso em: 3 jan. 2026.