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Progress in Earth and Planetary Science
Fig. 3 | Progress in Earth and Planetary Science

Fig. 3

From: The nature of the Pacific plate as subduction inputs to the northeastern Japan arc and its implication for subduction zone processes

Fig. 3

Seismic velocity models along lines A2 and A3 modeled by traveltime inversion (Fujie et al. 2018). All of the seismic velocity models are the average of successful inversion results from 400 randomly generated starting models. a–c \(V_p\) and \(V_p\) perturbation within the mantle, and the \(V_p/V_s\) ratio within the crust along line A2 (Kuril Trench). d–f \(V_p\) and \(V_p\) perturbation within the mantle, and the \(V_p/V_s\) ratio within the crust along line A3 (Japan Trench). The inverted triangles show OBS locations. DbM is depth below the Moho, and Dbb is depth below the basement

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