is a wave or a group of high-energy waves that occur when an extraordinary phenomenon vertically displaces a large mass of water. It is estimated that 90% of these phenomena are caused by earthquakes, in which case they are called, more accurate tsunami. The energy of a tsunami depends on your height and speed. Such waves removed a quantity of water much higher than the surface waves caused by wind.
To date, the most devastating series of tsunamis occurred on 26 December 2004 in the Indian Ocean, with a death toll directly attributed to the storm more than 250 thousand people. The areas most affected were Indonesia and Thailand, although devastating hit areas thousands of miles: Bangladesh, India, Sri Lanka, Maldives and even Somalia in East Africa. This resulted in the largest natural disaster since Krakatoa occurred in part due to lack of early warning systems in the area, perhaps because of the rarity of such events in this region
At dawn on December 28, 1908 there was a terrible earthquake in the regions of Sicily and Calabria in southern Italy. It was accompanied by a tsunami that devastated the city completely Messina, Sicily. The city was completely destroyed and had to be raised again in the same place. It is estimated that nearly 70,000 people died in the disaster (200,000 according to estimates of the time). The city now counted about 150,000 people. Also the city of Reggio di Calabria, on the other side of the Strait of Messina, suffered serious consequences. 15,000 people died, of a total population of 45,000.
A major earthquake measuring 7.9 (UTC) on December 12, 1979 along the Pacific coast of Colombia and Ecuador. The earthquake and associated tsunami were responsible for the destruction of at least six fishing villages and killing hundreds of people in the department of Nariño in Colombia. The earthquake was felt in Bogotá, Pereira, Cali, Popayan, Buenaventura and other major towns and villages in Colombia, and Guayaquil, Esmeraldas, Quito and other parts of Ecuador. The Tumaco tsunami caused by breaking against the shore, great destruction in the city of Tumaco and the towns of El Charco, San Juan, Mosquera and Salahonda in the Colombian Pacific. This phenomenon left a toll of 259 dead, 798 wounded and 95 missing.
How to prevent a tsunami? Types of Tsunamis having an earthquake and then heard the siren that means a tsunami can come, then people will run to the hills as fast Tsunami arriving at the coast. There are different types of Tsunamis: which is produced by landslides, volcanic eruptions, earthquakes, etc..