Tsunami
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 … See more

The principal generation mechanism of a tsunami is the displacement of a substantial volume of water or perturbation of the sea. This displacement of water is usually caused by earthquakes, but can also be attributed to landslides, volcanic eruptions, glacier … See more

All waves have a positive and negative peak; that is, a ridge and a trough. In the case of a propagating wave like a tsunami, either may be the first to arrive. If the first part to arrive at the … See more

Several terms are used to describe the different characteristics of tsunami in terms of their height:
• 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, … See more

While Japan may have the longest recorded history of tsunamis, the sheer destruction caused by the 2004 Indian Ocean earthquake and tsunami event mark it as the most … See more

Tsunamis are caused by earthquakes, landslides, volcanic explosions, glacier calvings, and bolides. They cause damage by two … See more

As with earthquakes, several attempts have been made to set up scales of tsunami intensity or magnitude to allow comparison between … See more