Earthquake clustering analysis in North Sumatra region based on double-difference relocation. GEOGRAPHIA : Jurnal Pendidikan dan Penelitian Geografi, [S. l.], v. 6, n. 2, p. 257–262, 2026. DOI: 10.53682/e7n0yj02. Disponível em: https://ejurnal.unima.ac.id/index.php/geographia/article/view/13135. Acesso em: 22 jan. 2026.