tsunami

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The word “tsunami” comes from two Japanese signs: “tsu” meaning harbor, and “nami” meaning wave, and describes a natural disaster in form of rogue waves, carrying enormous volumes of water. Most often the result of a submarine earthquake or volcano eruption, some tsunamis are known to travel at more than 500mph, although they usually slow down to around 50mph when they hit the shallows, or move inland. Most of tsunami’s destructive force comes from high kinetic energy of speeding water, that can destroy homes, infrastructure, and move heavy objects. The secondary damage comes when tsunami recedes to the sea, carrying away the debris.


The worst tsunamis in recorded history include a 2004 Indian Ocean tsunami (230,000 deaths), 1908 Messina tsunami and earthquake (123,000 deaths), 1775 Lisbon tsunami (around 100,000 deaths), and 1883 Karakatoa tsunami (36,000 deaths). The most recent deadly tsunami was the japanese tsunami of March 2011.


Sometimes, tsunamis take the form of a so-called mega-tsunami caused by violent occurrences, such as massive landslides. Mega-tsunamis are best known for the unusual height of the wave. The highest mega-tsunami on record was 524 meters high (1958, Lituya Bay in Alaska).


You can find some stories from tsunami survivors at phukettsunami.blogspot.com

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