ESTIMATES OF A-VALUE AND B-VALUE PARAMETERS FOR ANALYSIS OF SEISMICITY AND POTENTIAL HAZARD STUDIES OF EARTHQUAKE DISASTERS IN THE NORTH SUMATRA REGION. EINSTEIN (e-Journal), [S. l.], v. 14, n. 1, p. 15–21, 2026. DOI: 10.24114/qkpjkf80. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/61877. Acesso em: 22 apr. 2026.