Abstract
The 2007 Noto Hanto earthquake (Mj 6.9) occurred off northwest of Noto Peninsula, Japan on March 25, 2007, associated with a tsunami. A tsunami excited due to fault movement was well calculated by the tsunami simulation method with static displacement. However, a mysterious small tsunami observed at Toyama was not reproduced by that method. This small tsunami arrived soon after the earthquake occurrence, and the wave height was about 10 cm. We assumed the source region of the tsunami at Toyama from inverse propagation diagrams and simulated this mysterious tsunami by considering horizontal dynamic displacement of the sea-bed in Toyama Bay. From this simulation, we indicated possibility of a tsunami generation by dynamic horizontal displacement at a steep slope.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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