Modeling the Tsunami of 22 December 2010 in Bonin islands
Disaster Control Research Center, Tohoku University

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Seismology

USGS

Tsunami Observation

WCATWC web site

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Modeling the Tsunami of 22 December 2010 in Bonin islands
DCRC, Tohoku University

Tsunami Model Description

Geverning Equation : Linear Shallow Water Equations (Far-field model)
Numerical Scheme : Leap-frog Finite Difference Method (TUNAMI-CODE of Tohoku University)
Spatial Grid Size : 30 arc-sec. (Far-field model)
Bathymetry Data : GEBCO

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Tsunami Source Model

Case 1

Mw = 7.4
Lat : 26.87° N, Long : 143.74°E
Fault Length / Width : 116 km / 16 km
Dislocation : 2.8 m
(Papazachos B. C., Scordilis E. M., Panagiotopoulos D. G., Papazachos C. B., and Karakaisis G. F. 2004)
Source Mechanism (Strike, Dip, Slip) = (347, 70, -61) Reference :USGS
Depth : 15 km

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Seismic Deformation Model Result

For original resolution, click the image below.

Case 1


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Tsunami Model Result

Modeled tsunami height , click the image below

Case 1


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Mid-ocean Tsunami Propagation Model Animation

Click to play(4.35MB)

Case 1 (Linear Model )