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As early as 426 BC the Greek historian Thucydides inquired in his book History of the Peloponnesian War about the causes of tsunami, and was the first to argue that ocean earthquakes must be the cause. [12] [13] The oldest human record of a tsunami dates back to 479 BC, in the Greek colony of Potidaea, thought to be triggered by an earthquake.
Beginning at 350m over water height, it caused a tsunami 20–30 meters high across the caldera, and potentially larger at localized points of impact. Thanks to the late hour, no tourists were present; however, search and rescue observed a steam cloud rising from the volcano, apparently geothermal steam released by the landslide.
The 2004 Indian Ocean tsunami at Ao Nang, Krabi Province, Thailand. A tsunami (/(t) s uː ˈ n ɑː m i, (t) s ʊ ˈ-/ (t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake.
You cannot surf a tsunami, as there is no face to a tsunami wave. Regular waves flow in a circle without flooding higher areas. Tsunami waves are unpredictable and flood the land like a wall of water.
A colossal rockslide that triggered a mega-tsunami caused the ... “This is the first time that water sloshing has been recorded as vibrations through the Earth’s crust, travelling the world ...
The subsequent tsunami leveled 1451 houses and caused 1500 deaths in Japan, and was observed on tide gauges in California, Hawaii, and Peru. [44] The coastal cities of Kushimoto and Kainan on the Kii Peninsula were particularly hard hit. The earthquake caused more than 1400 deaths, with the tsunami being the main cause. 1947 Gisborne, New Zealand
A Whatcom County resident survived the deadliest tsunami in recorded history when she was just 13 years old. Now, 19 years after the disaster, she’s telling her story. Monica Connelly was ...
Shallow water sediments may also be influenced by major storm events, which like a tsunami, will rework sediment from around the shoreline and redeposit them within the shelf environment. Debris flows and turbidites may be formed by slope failures, which may themselves be directly triggered by the earthquake.