Fig. 6
From: Homogenized earthquake catalog and b-value mapping for Ethiopia and its adjoining regions
Afar Rifts (Including Red Sea and Gulf of Aden): (a) Seismicity map of the region (b) Cumulative number of events vs time-straight-line trend -relatively complete (c) Magnitude of Completeness (Mc) with time (d) Temporal variation of b-value with period of completeness, ni = 150, Mmin = 4.6 (e) Spatial variation of b-value with depth, ni = 150, Mmin = 4 (f) average b and a-values of the region by maximum likelihood solution