Most tsunamis are caused by seismic activity under the sea suddenly. It may be caused landslides, collapsed. Or crust was pushed up or collapsing. The land under the abrupt change shape. Will cause sea levels to move into balance and to cause a tsunami. Changing the shape of the seafloor typically occurs when an earthquake due to the shifting of the Earth's crust. This will cause the edges of tectonic plates are connected to each other, called Fault (fault) as the edge of the Pacific Ocean. The earthquake Underwater landslides that often happens with earthquakes can cause tsunami waves as well. In addition to the concussion that occurred under water. The big ground attack into the sea. Or the crash of a constitution. It can cause waves Tsunamis generated in this model is scaled down quickly and without affecting the coast is very remote, however, if the land is large enough to cause a mega-tsunami, which may have a height of about a hundred. M.
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