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 |