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  2. Megatsunami - Wikipedia

    en.wikipedia.org/wiki/Megatsunami

    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]

  3. Tsunami - Wikipedia

    en.wikipedia.org/wiki/Tsunami

    Tsunamis generally consist of a series of waves, with periods ranging from minutes to hours, arriving in a so-called "wave train". [11] Wave heights of tens of metres can be generated by large events. Although the impact of tsunamis is limited to coastal areas, their destructive power can be enormous, and they can affect entire ocean basins.

  4. 1958 Lituya Bay earthquake and megatsunami - Wikipedia

    en.wikipedia.org/wiki/1958_Lituya_Bay_earthquake...

    The Lituya Bay megatsunami caused damage at higher elevations than any other tsunami, being powerful enough to push water up the tree covered slopes of the fjord with enough force to clear trees to a reported height of 524 m (1,719 ft). [9] A 1:675 recreation of the tsunami found the wave crest was 150 m (490 ft) tall. [14]

  5. Earthquake-generated tsunamis not uncommon in US. How bad can ...

    www.aol.com/earthquake-generated-tsunamis-not...

    Small tsunamis can also be caused by intense coastal storms, according to the U.S. Tsunami Warning System. These are known as meteotsunami because they are caused not by underwater earthquakes or ...

  6. Earthquake scientists are learning warning signs of the 'big ...

    www.aol.com/news/earthquake-scientists-learning...

    The subduction zone has the potential to generate 100-foot-tall tsunami waves and kill nearly a ... A large earthquake there can be expected at least once every 450-500 years, on average ...

  7. Researchers gain clearest picture yet of fault that threatens ...

    www.aol.com/news/big-one-researchers-gain...

    A quake that powerful could cause shaking that lasts about five minutes and generate tsunami waves up to 80 feet tall. It would damage well over half a million buildings, according to emergency ...

  8. List of tsunamis - Wikipedia

    en.wikipedia.org/wiki/List_of_tsunamis

    The Sanriku region was hit by a large tsunami on 13 July 869 AD, causing floods to spread 4 km (2.5 mi) inland from the coast. Tagajō was destroyed, with an estimated 1,000 casualties. 887 CE: Nankai, Japan: 887 Ninna Nankai earthquake: Earthquake: On 26 August 887 AD, there was a strong commotion in the Kyoto region, causing great destruction ...

  9. Huge landslide in Greenland triggered ‘mega-tsunami’ that ...

    www.aol.com/news/landslide-hit-greenland...

    A colossal rockslide that triggered a mega-tsunami caused the Earth to ... unleashing a 200m-tall wave through the narrow waterway. ... The tsunami was so unique that it tested the limits of ...