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Earth, Planets and Space
Figure 5 | Earth, Planets and Space

Figure 5

From: Friction properties of the plate boundary megathrust beneath the frontal wedge near the Japan Trench: an inference from topographic variation

Figure 5

The topographic parameters obtained from the seismic cross sections. The results analyzed from critical taper theory. Orange line: the latitude of the epicenter of the 2011 Tohoku-Oki earthquake. (A) North-south variation of the taper angle (α + β). (B) North-south variation of the angle between the décollement and back-stop interface. (C) North-south variation of the effective coefficient of basal friction. (D) North-south variation of the Hubbert-Rubey pore fluid pressure ratio.

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