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The 2004 Indian Ocean tsunami was a teletsunami.. A teletsunami (also called an ocean-wide tsunami, distant tsunami, distant-source tsunami, far-field tsunami, or trans-ocean tsunami) is a tsunami that originates from a distant source, defined as more than 1,000 km (620 mi) away or three hours' travel from the area of interest, [1] [2] sometimes travelling across an ocean.
The second and third waves came in 10 minutes intervals after the first wave. The third wave was the strongest, with a maximum tsunami wave height of 11 m (36 ft). Waves nearly three stories high devastated the Indian Air Force base, located just south of Malacca. The maximum tsunami wave height of 11 m (36 ft).
Amplitude, Wave Height, or Tsunami Height: Refers to the height of a tsunami relative to the normal sea level at the time of the tsunami, which may be tidal High Water, or Low Water. It is different from the crest-to-trough height which is commonly used to measure other type of wave height.
The areas hardest hit were the northern coastal areas and outlying islands like Penang and Langkawi.Wave heights near the shore were 2.5–3 m (8.2–9.8 ft) for Langkawi and 2–3 m (6.6–9.8 ft) for Penang, where wave runup heights were 6–8 m (20–26 ft) in one location.
Joetsu city in Niigata Prefecture observed a tsunami with a height of more than 6.6 metres (21.7 ft). Kanazawa City in Ishikawa Prefecture observed a tsunami at a height of 0.9 metres (2 ft 11 in). [216] Toyama City in Toyama Prefecture and Sakata City in Yamagata Prefecture both observed a tsunami with a height of 0.8 metres (2 ft 7.5 in). [216]
Each DART station consists of a surface buoy and a seafloor bottom pressure recording (BPR) package that detects water pressure changes caused by tsunamis.The surface buoy receives transmitted information from the BPR via an acoustic link and then transmits data to a satellite, which retransmits the data to ground stations for immediate dissemination to NOAA's Tsunami Warning Centers, NOAA's ...
The height of the tsunami was limited due to relatively shallow sea in the area of the impact; had the asteroid struck in the deep sea the megatsunami would have been 4.6 kilometres (2.9 mi) tall. Among the mechanisms triggering megatsunamis were the direct impact, shockwaves, returning water in the crater with a new push outward and seismic ...
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.