Tsunami 12 : A large wave series of waves that are caused by a sudden disturbance that displaces water. The usual cause is an earthquake, submarine landslide, volcanic eruption, or meteor impact
National Atlas of the United States, Geologic Hazards (Article with illustration), US Department of the Interior, USA 2011. http://www.nationalatlas.gov/articles/geology/a_ge ohazards.html, (ND/ Erthq - Amer) {138}