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Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: Ambient noise multimode surface wave tomography

Fig. 1

a Construction of reference 1-D models. b Phase/group velocity measurements for each path. c 2-D phase/group velocity inversions for multimodes. d A 3-D S-wave tomographic model is obtained from a collection of local 1-D inversions at all the grids. Modified from Takagi and Nishida (2022)

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