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Table 1. Parameters used in this study. The meanings of the parameters are the same as those in previous studies (e.g., Mitsui and Hirahara, 2009). The S-wave velocity is 3000 [m/s] and the rigidity is 27 [GPa]. In addition, A means the multiplication of a by normal stress, and B is that of b.

From: How did the 2011 off the Pacific coast of Tohoku Earthquake start and grow? The role of a conditionally stable area

 

A [MPa]

B [MPa]

L [m]

Stiffness [MPa/m]

Block 1

0.5

2.5

0.42

0.381

Spring (1–2)

   

0.133

Block 2

0.25

0.25

0.5

0.053

Spring (2–3)

   

0.133

Block 3

0.4

0.8

0.15

0.533

Spring (1–3)

   

0.114