Skip to main content

Table 2 Comparison of the maximum tsunami heights at seven locations computed from the reference tsunami of the giant earthquake (Mw8.8) and the assimilations using the interpolation where control factor α ranges from 1 to 3 (see Fig. 4)

From: Improvement of near-field tsunami forecasting method using ocean-bottom pressure sensor network (S-net)

Location

Reference

α = 1

α = 2

α = 3

Max. heights (m)

Max. heights, (ratio) (m)

Max. heights, (ratio) (m)

Max. heights, (ratio) (m)

Hanasaki

13.6

3.93, (0.29)

14.2, (1.04)

14.9, (1.10)

Kushiro

10.5

7.99, (0.76)

10.8, (1.03)

15.2, (1.45)

Hiroo

17.8

8.88, (0.50)

21.2, (1.19)

28.0, (1.57)

Urakawa

4.21

1.69, (0.40)

3.96, (0.94)

4.92, (1.17)

Hachinohe

4.40

4.20, (0.95)

7.58, (1.72)

10.3, (2.34)

Miyako

5.79

3.54, (0.61)

6.30, (1.09)

7.99, (1.38)

Kesennuma

2.84

2.80, (0.99)

2.77, (0.98)

3.37, (1.19)

Average

8.45

4.72, (0.64)

9.54, (1.14)

12.1, (1.46)

  1. The ratios of the maximum tsunami heights are indicated in parentheses