VALIDATION OF THE 2006 JAVA EARTHQUAKE TSUNAMI FOR TSUNAMI
HAZARD ASSESSMENT ALONG THE SOUTHERN COAST OF WEST JAVA,INDONESIABy NURPUJIONO (Tsunami Course, 2013)
Meteorology, Climatology and Geophysical Agency, Jakarta, Indonesia

1. Fault Parameters of Tsunami Sources

Table 1. Fault parameters for Model 1, 2 and 4.

Number of fault
Mw
Mo
Rigidity (Gpa)
Lon
Lat
StrikeDip
Rake
Top of Depth (m)Slip amount (m)Length (km)Wide (km)Model 1Model 2 (2 sub faults)

Model 4

fromAmmon etal. (2006)

from Ammon et al.
(2006)
Mo = 7.68E+20
Mw = 7.9AB
7.5
7.8
1.92E+20
5.76E+20
1010107.5
108.7-9.5-10.1
289
289
10109595
2700
1000
128401204060

modifiedfromModel 1

1
7.8
6.70E+20
10108.7-10.1
289
1095
1000
8190
60

18.1
1.71E+21
10108.7-10.1
289
1095
1000
15190
60

1

Table 2. Fault parameters for Model 3.
Model 3 (10 sub faults)
from Fujii and Satake (2006)

Number of fault
MwMo
Rigidity (Gpa)
LonLatStrikeDipRakeTop of Depth (m)Slip amount (m)Length (km)Wide (km)Number of fault
MwMo
Rigidity (Gpa)
LonLatStrikeDipRake
Top of Depth (m)Slip amount (m)Length (km)Wide (km)21
7.0
3.98E+1930
107.274-9.515
289
1095
3000
0.535050
67.1
5.93E+1930
108.282-9.388
289
1095
11700
0.795050

Mo = 7.04E+20
Mw = 7.8
234
6.6
7.0
0
1.13E+19
3.83E+19030
30
30
107.420
107.705
107.851-9.096-9.661-9.242289
289
289
10101095
9595
11700
3000
11700
0.15
0.51
0.00
50
50
50
50
5050
7897.30
7.4
1.073E+200 1.85E+203030
30
108.568
108.714109.000-9.953-9.534-10.100
289
289
289
10101095
95
95
3000
11700
3000
1.43
0.00
2.4750
50
50
50
50
50

57.3
1.03E+2030
108.136-9.807
289
1095
3000
1.38
50
50
107.4
1.59E+2030
109.146-9.681
289
1095
11700
2.125050

Figure 1. Fault location of Model 1, uniform slip model of 8 m.
Original figure on background is from Ammon et al. (2006).

AB

Figure 2. Fault location of two sub fault models of 12 m and 8 m for Model 2.
Original figure on background is from Ammon et al. (2006).

3

Figure 3. Fault location of 10 sub fault models for Model 3 estimated byinversion of tide gauge assumed by Fujii and Satake (2006).

2.

Locations of assumed coastal point

Figure 4. Assumed coastal points for computation.

4

Table 3. Locations of the assumed coastal points in Layer 2.
No.

Lon (°E)

Lat (°S)

No.

Lon (°E)

Lat (°S)1

108.673-7.70203

17110.217-7.98408

2108.667-7.69966

18110.194-7.97425

3108.662-7.6941919

110.148-7.95157

4

108.501-7.7485420110.077-7.915425

108.592-7.6805821

110.034-7.901436

109.08-7.6894922

109.975-7.879317109.068-7.6930023

109.913-7.856358

109.144-7.6889824

109.913-7.856359109.141-7.6890025109.795-7.8232110109.258-7.6977426

109.795-7.8232111

109.336-7.70583

27

109.716-7.8048112

109.364-7.7247828

109.518-7.7646713

110.312-8.0285129

109.518-7.7646714110.253-8.0006230

109.471-7.75733

15110.239-7.9909131

109.467-7.75792

16

110.239-7.99091

5

Table 4. Locations of the assumed coastal points in Layer 3.
No.

6

Lon (°E)

Lat (°S)

No.

Lon (°E)

Lat (°S)1

108.667-7.7014217

110.217-7.987952

108.649-7.69953

18

110.193-7.974173

108.645-7.69349

19

110.151-7.951964

108.504-7.7479820

110.063-7.915425

108.591-7.6820421110.029-7.899046109.08-7.6901622

109.983-7.88004

7109.068-7.69357

23

109.913-7.854178

109.141-7.68896

24

109.913-7.854179109.144-7.6891625

109.795-7.82322

10

109.265-7.6983526

109.795-7.82322

11

109.321-7.7083627

109.704-7.8046512

109.388-7.7250228

109.516-7.764913

110.334-8.0259629

109.516-7.764914

110.248-8.0009330

109.473-7.75735

15110.226-7.9909531

109.471-7.75791

16110.226-7.99095

Figure 5. Location of available tide gauge stations. Original figure from Fujii
and Satake (2006). Only Christmas station was considered in this study. In this study wereferred the result of field survey measurements of the 17 July 2006 Java tsunami fromTsuji team .

7

3.

Results (Tsunami Heights)

Figure 6. Comparison chart of field survey data and computation result.

8

Figure 7. Tsunami height comparison of field survey data and computation
result. Red triangles in the map indicate assumed coastal points.
Red bars in the graph indicate the 2006 Java tsunami field survey data,yellow bars indicate computational result.

94. Conditions for Computation

Table 5. Computational Layers
Layer

LatitudeLongitude

grid sizenxny

Bathymetry /Topography

15°S - 14°S

104°E - 115°E

1'661

541

GEBCO 1’26.5°S - 8.5°S

105°E - 110.5°E

0.33333'

991

361

GEBCO 1’37.5°S - 8.25°S

107.5°E - 110.5°E

0.11111'

1621

406

GEBCO 30”47.65°S - 7.78°S

108.58°E - 108.73°E

0.03704'

243

216

GEBCO30”+SRTM3”

Table 6. Cases of tsunami computation.

Source Model(a) 2 Layers
Minimum grid size 0.33333'

1231a2a3a_h

44a(b) 3 Layers
Minimum grid size 0.11111'(c) 4 Layers
Minimum grid size 0.03704'
h: including the effect of horizontal deformation (Tanioka and Satake, 1996).

104a_h4b_h4c_hFigure 8. Computation area of four layers with a nesting grid system.

11