Rg


Rg :

Originally a symbol for the fundamental-mode Rayleigh waves observed for continental paths in the period range 8 to 12 seconds (Ewing et al., 1957). Now applied to dispersed wave trains propagating in the Earth's crust with periods between about 0.1 and 4 second (e.g., Fig. 2.16 ??? in Chapter 2 of this Manual and Figure 4 in Kulhanek, 2002, p. 337). for this and other such symbols used in seismic phase names see IS 2.1 in this Manual and Storchak et al. (2003 and 2011)

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