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Progress in Earth and Planetary Science
Fig. 2 | Progress in Earth and Planetary Science

Fig. 2

From: Progress in modeling the Tohoku-oki megathrust earthquake cycle and associated crustal deformation processes

Fig. 2

The setting of the friction parameter for the 3D model of the Tohoku-oki earthquake cycles considering the shallow friction property. After Shibazaki et al. (2019). a Distribution of the RS friction parameter a-b on the subduction plate boundary between the Pacific and Okhotsk plates. The largest asperity is located off Miyagi near the trench. The shallow friction property in b is considered in the shallow fault zone. b Schematic diagram of shallow friction property showing VW at low slip velocities and VS at high slip velocities. In addition, dynamic weakening due to TP occurs at high slip velocities. This friction law can cause SSEs and is considered in the region of the shallow friction property in a

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