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Pacific Coastal and Marine Science Center

Preliminary simulation of the tsunami from the September 8, 2017 M=8.1 intermediate-depth earthquake offshore of Chiapas, Mexico

Viewpoint looking to the northeast

The first 4 hours of propagation is shown. Look for the wave that reflects off the edge of the continental shelf and travels back toward shore.
Please note: the program used to create these simulations does not model nonlinear and breaking effects as waves travel into shallow water.

Download this MP4 (10.6 MB)


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