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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. [74]
The waves are expected to strike Hellesylt with a height of 35 to 85 metres (115 to 279 ft), Geiranger with a height of 30 to 70 metres (98 to 230 ft), Tafjord with a height of 14 metres (46 ft), and many other communities in Norway's Sunnmøre district with a height of several metres, and to be noticeable even at Ålesund.
A section of a hillside collapsed into the lake on August 25, 2009, generating a tsunami with an initial wave height of 20 feet (6.1 m) which reached the opposite shore less than 1,000 yards (910 m) away with a height of 12 feet (3.7 m). It struck a campground there and washed a number of people into the lake, but all survived. [134] [171] 2009 ...
People urged to evacuate quickly as tsunami up to 5-metres tall expected to northern shores. ... Waves with a height of more than 5 metres “may have reached” Noto in Ishikawa prefecture ...
Diagram of the 1958 Lituya Bay megatsunami showing the landslide movement, wave movement, and areas devastated by the wave with the use of arrows. Height of megatsunami, compared with Burj Khalifa, Empire State Building and Eiffel Tower (note: this is the run up height of the wave and not the height of the wave as it hit the shore).
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).
Large tsunami waves might be more than 50 feet high in some areas close to the coast. Tsunami waves can last for hours. Do not attempt to surf or watch a tsunami.
Only about 12 hours after the initial eruption, tsunami waves a few feet. On Jan. 15, 2022, coastal areas across California were placed under a tsunami warning. Gado via Getty ImagesOn Jan. 15 ...