(a) Spatial earthquakes of Ventaniella proportional to magnitude M_w based on database of Lopez-Fernández et al. (2018). The northern cluster is Group A and the southern's the Group B. Histogram of depths (km) at left. (b) Estimation of Magnitude of Completeness (MAXC method) to Ventaniella for Group A (left) and Group B (right). (c) Ventaniella cumulative events and time–magnitude plots for the Period 1 (pink dotted line) and Period 2 (green dotted line).