“…Tsunami waves are defined as long-period waves created by large scale short-term perturbations such as underwater earthquakes like the 2004 Indonesian earthquake [21] , the 1969 Portuguese Tsunami [4] , and the 1968 Tokachi-oki Earthquake [6] , eruption of underwater volcanoes, for example, the 1883 Krakatau Volcano eruption [21] , landslides, for instance, the 1929 the Grand Banks landslide [3] , rock falls, pyroclastic avalanche from land volcanoes entering the water, asteroid impact, underwater explosion, etc. The duration of a typical tsunami is 5 -100 min, with wave length between 100 m and 1000 km, and propagation speed 1 -200 m/s.…”