The Upper Mantle Seismic Velocity Structure of South-Central Africa and the Seismic Architecture of Precambrian Lithosphere Beneath the Congo Basin - Geology and Resource Potential of the Congo Basin - page 9

Fig. 1.5 Event-station ray paths for 20 s Rayleigh waves. Blue dots show event locations. Station locations are given in Fig. 1.3

Fig. 1.6 Sample group velocity measurement for the Rayleigh wave shown in Fig. 1.4