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- Small coupling in the Tokai area
Small coupling in the Tokai area
Small interplate coupling in the Tokai area
Heki, K. and S. Miyazaki, Geophys. Res. Lett., 28, 2313-2316, 2001.
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The North American Plate (green) and the Amurian Plate (red) push against each other in Central Japan (left panel), while the northernmost part of the Philippine Sea Plate behaves separately as the Izu microplate. These two factors significantly reduce the subduction rate at the easternmost segment of the Nankai-Suruga Trough, making the periodicity of Tokai segment rupture longer than in other parts (right panel).
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