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Table 2 Optimal fault models in the joint, GNSS, and tsunami-source inversions

From: On the use of tsunami-source data for high-resolution fault imaging of offshore earthquakes

 

Joint inversion

GNSS inversion

Tsunami-source inversion

Latitude (°)

37.3110

37.3052

37.3250

Longitude (°)

141.4537

141.4219

141.4612

Top depth (km)

3.19

0.07

3.90

Strike (°)

42.70

36.90

53.85

Dip (°)

24.95

9.15

41.95

Rake (°)

− 87.63

− 95.05

− 77.43

Length (km)

18.01

28.91

19.46

Width (km)

13.41

2.49

11.76

Slip (m)

4.235

21.74

5.116

Mw

6.925

7.048

6.964

VRGNSS (%)a

91.3

96.7

15.6

VRTS (%)b

88.3

− 176.5

96.1

  1. aVariance reduction of the GNSS data
  2. bVariance reduction of the tsunami-source data