Fig. 1From: Stratification of earth’s outermost core inferred from SmKS array dataSmKS ray paths. Ray paths of SmKS waves (S2KS, S3KS, and S4KS) propagating through the outermost part of the core to a receiver at a epicentral distance of 150°. Blue and red lines show P and S wave portions of the rays, respectivelyBack to article page