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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Identification of active faults and tectonic features through heat flow distribution in the Nankai Trough, Japan, based on high-resolution velocity-estimated bottom-simulating reflector depths

Fig. 3

P-wave velocity structure for all six survey lines in this study. (a) Line KIN_030. (b) Line KIN_038. (c) Line KIN_046. (d) Line KIN_54. (e) Line KIN_062. (f) Line KIN_070. The area with weak reflections is masked in gray. The expanded views on (c) and (d) show examples of low-velocity zones. The red and black arrows indicate anomalous low-velocity zones corresponding to thrust faults and relatively low-velocity area below BSRs, which may reflect the presence of the free gas, respectively. The white arrowheads indicate BSR positions

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