- an unusually large sea wave produced by a seaquake or undersea volcanic eruption.
Origin of tsunami
Examples from the Web for tsunami
When it came to shooting the famous parting of the Red Sea, Ridley Scott elected to show a tsunami splitting the waters.Christian Bale: One Man's Moses Is Another Man's Terrorist
Candida Moss, Joel Baden
December 7, 2014
Things picked up again when the 2011 tsunami hit Tōhoku, Japan.House of the Witch: The Renegade Craft Brewers of Panama
November 30, 2014
Typically, celebrities have stayed out of the Middle East conflict, knowing full well the tsunami of emotions it carries.How Jon Stewart Made It Okay to Care About Palestinian Suffering
July 21, 2014
Tempest, hurricane, tidal wave, tsunami, earthquake, or Big Bang?How Marine Le Pen and France’s Ultra-Right Won the Day
May 26, 2014
And now, a massive magnitude 8.2 off the coast of Chile that even generated a tsunami.A Lot of Earthquakes Have Been Reported Lately, but Scientists Aren’t Worried
April 2, 2014
- a large, often destructive, sea wave produced by a submarine earthquake, subsidence, or volcanic eruption. Sometimes incorrectly called a tidal wave
- a sudden increase in or overwhelming number or volume ofthe tsunami of Olympic visitors
Word Origin and History for tsunami
1897, from Japanese tsunami, from tsu "harbor" + nami "waves."
- A very large ocean wave that is caused by an underwater earthquake or volcanic eruption and often causes extreme destruction when it strikes land. Tsunamis can have heights of up to 30 m (98 ft) and reach speeds of 950 km (589 mi) per hour. They are characterized by long wavelengths of up to 200 km (124 mi) and long periods, usually between 10 and 60 minutes. See Note at tidal wave.
A large wave on the ocean, usually caused by an undersea earthquake, a volcanic eruption, or coastal landslide. A tsunami can travel hundreds of miles over the open sea and cause extensive damage when it encounters land. Also called tidal waves.