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Earth, Planets and Space
Fig. 8. | Earth, Planets and Space

Fig. 8.

From: High resolution seismic velocity structure around the Yamasaki fault zone of southwest Japan as revealed from travel-time tomography

Fig. 8.

V p and V s perturbations, V p /V s ratio, and Poisson’s ratio structures around the Yamasaki fault zone. (a) Line-4 cross-section through the Hijima fault and Line-6 cross-section through the Kuresaka-Toge fault. (b) Map views of V p and V s perturbations, V p /V s ratio, and Poisson’s ratio structures at a 17-km depth around the Yamasaki fault system. Anomaly (3) shows low velocities, high V p /V s , and high Poisson’s ratio beneath the Hijima fault,while Anomaly (4) shows a moderately high V p , low V s , and high V p /V s beneath the Kuresaka-Toge fault. The cross-sections have a vertical exaggeration of 1.8.

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