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The 2004 Indian Ocean earthquake and tsunami occurred on Sunday, December 26, 2004. The earthquake itself, with a moment magnitude of around 9.2-9.3, devastated Aceh Province, Indonesia, while the tsunami affected countries all around the Indian Ocean. Nations which were affected are listed below in alphabetical order.
In one river mouth, many boats were damaged. The tsunami moved counter-clockwise around Phuket Island, as was the case at Okushiri Island in the 1993 Hokkaido earthquake. According to interviews, the second wave was the largest. [92] The tsunami heights were 5–6 m (16–20 ft) and the inundated depth was about 2 m (6.6 ft).
The term "tsunami" is a borrowing from the Japanese tsunami 津波, meaning "harbour wave."For the plural, one can either follow ordinary English practice and add an s, or use an invariable plural as in the Japanese. [14]
A magnitude 7.6-7.7 earthquake struck near the coast of western Mexico on 19 September 2022. A tsunami about 1.75 m (5.7 ft) high was reported near the epicentre. [212] The tsunami was detected as far away as Ecuador, where tsunami waves as high as 12 cm (4.7 in) were observed. [213] 2023 Greenland 2023 Greenland landslide: Landslide
Map showing the provinces of Thailand affected. Thailand was one of the 14 countries affected by the 2004 Indian Ocean earthquake and tsunami on 26 December 2004. It left behind unprecedented damage and destruction in six provinces of Thailand, impacting 407 villages, completely destroying 47 of them, including prominent tourist resorts like Khao Lak.
The Great Wave off Kanagawa (Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura, lit. ' Under the Wave off Kanagawa ') [a] is a woodblock print by Japanese ukiyo-e artist Hokusai, created in late 1831 during the Edo period of Japanese history.
A megatsunami is a tsunami with an initial wave amplitude measured in many tens or hundreds of metres.The term "megatsunami" has been defined by media and has no precise definition, although it is commonly taken to refer to tsunamis over 100 metres (330 ft) high. [2]
Analysis of tsunami earthquakes such as the 1946 Aleutian Islands earthquake shows that the release of seismic moment takes place at an unusually long period. Calculations of the effective moment derived from surface waves show a rapid increase with decrease in the frequency of the seismic waves, whereas for ordinary earthquakes it remains almost constant with frequency.