Conceptual model of tsunami excitation in the outer wedge of the accretionary prism at subduction margins. (IMAGE)

University of Southern California

Conceptual model of tsunami excitation in the outer wedge of the accretionary prism at subduction margins.

Caption

USC researchers found that large earthquake-generated tsunamis emerge after horizontal oceanic water movement is transferred to uplift in the tsunami excitation zone, the outer wedge of sediment between the continental shelf and the deep ocean trench.

Credit

Mesa Schumacher and Edward Soleto

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