Mechanisms for Damage and Failure from the Great East Japan Tsunami - Tohoku, Japan Earthquake and Tsunami of 2011 - page 59

Figure 60. Scour diagram for
Shizagawa tsunami wall (Figure 56)

Figure 61. Scour diagrams for landward
side of shoreline dike at Arahama Beach
(Figure 57) As can be seen in the two
cross-sections, scour patterns behind the
same structure varied greatly.

Figure 62. Scour diagram for Arahama beach restroom building (Figure 58)