IDENTIFICATION OF FAULTS AND SLIP DIRECTIONS THROUGH A STUDY OF FOCAL MECHANISMS IN NORTH SUMATRA (2018-2024). EINSTEIN (e-Journal), [S. l.], v. 14, n. 1, p. 56–63, 2026. DOI: 10.24114/ps22ej09. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/69258. Acesso em: 19 may. 2026.