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Table 2 The values of the three indices for different rise times and time shift \(\tau\)

From: Multi-index method using offshore ocean-bottom pressure data for real-time tsunami forecast

Rise time

Time shift \(\tau\)

−1 min

1 min

2 min

3 min

4 min

VRO

0.98

1.00 a

0.97

0.88

0.62

0.32

VRC

0.98

1.00 a

0.96

0.78

−0.61

−16.05

R

0.99

1.00 a

0.99

0.97

0.88

0.91

1 min

VRO

0.94

0.98

0.99

0.93

0.68

0.36

VRC

0.95

0.99

0.99

0.89

−0.14

−12.56

R

0.98

1.00

1.00

0.98

0.90

0.93

2 min

VRO

0.85

0.93

0.99

0.97

0.74

0.39

VRC

0.91

0.95

0.99

0.96

0.25

−9.61

R

0.97

0.99

1.00

0.99

0.93

0.94

3 min

VRO

0.66

0.80b

0.95

0.99

0.82

0.44

VRC

0.84

0.89b

0.96

0.99

0.59

−6.61

R

0.95

0.97b

0.99

0.99

0.95

0.95

4 min

VRO

0.30

0.51

0.80

0.96

0.89

0.51

VRC

0.75

0.81

0.90

0.97

0.82

−3.87

R

0.93

0.96

0.98

0.99

0.96

0.96

5 min

VRO

−0.40

−0.06

0.46

0.80

0.93

0.59

VRC

0.67

0.72

0.81

0.90

0.92

−1.74

R

0.93

0.96

0.98

0.99

0.96

0.96

  1. The values in italics face indicate the best-matched \(\tau\) for each synthetic rise time
  2. aResult of the examination for Model I (Fig. 4c)
  3. bResult of the examination for Model Ir (Fig. 9a)