Tsunami - ocean waves caused by underwater earthquakes, volcano explosion (or sharing of glaciers), rare meteorite in a fall.The wave ring of the location of excitation. Passage on the high seas tsunami, moving with great speed (up to 900 km / h), may even be unnoticed, because the length of these waves occur several hundred kilometers, but their height does not exceed a few dozen centimeters. Only in the coastal zone it can reach a height of several tens of meters, destroying coastal towns. Most occur in the Pacific. Can reach the beach with breaking waves, the wall of water or similar to tidal flooding.
