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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Surface wave group velocity in the Osaka sedimentary basin, Japan, estimated using ambient noise cross-correlation functions

Fig. 7

Maps showing time lags between the observed and synthetic inter-station Green’s functions in two frequency ranges, 0.125–0.177 and 0.177–0.250 Hz, assuming a single force in the directions R+ and T+ at stations UEMC03, UEMC06, UEMC09, and UEMC15. The red (blue) circle indicates that the synthetic arrives later (earlier). The radius of the circle corresponds to the amplitude of the time lag

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