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Table 2. Results of stress tensor inversion after the mainshock (right columns of Fig. 4).

From: Detailed stress fields in the focal region of the 2011 off the Pacific coast of Tohoku Earthquake—Implication for the distribution of moment release—

 

σ1 azi (degree)

σ1 dip (degree)

σ3 azi (degree)

σ3 dip (degree)

φ

(degree)

N (event number)

Region 1

112.4°

18.3°

308.0°

71.1°

0.36

0.656

38.793°

70

Region 2

       

7

Region 3

       

5

Region 4

108.3°

7.9°

282.6°

82.1°

0.46

0.474

27.524°

33

Region 5

184.9°

62.6°

292.4°

8.9°

0.75

0.700

41.576°

26

Region 6

112.2°

71.9°

316.3°

16.6°

0.17

0.356

20.570°

24

Region 7

111.9°

19.7°

300.7°

70.1°

0.39

0.568

33.285°

46

Region 8

124.4°

69.5°

242.6°

10.0°

0.03

0.314

18.149°

20

Region 9

126.6°

70.9°

295.0°

18.7°

0.69

0.695

40.879°

39