What is a tsunami tsunami (pron: 'soo-nar-me') is a japanese word: 'tsu' meaning harbour and 'nami' meaning wave tsunami are waves caused by sudden movement of the ocean surface due to earthquakes, landslides on the sea floor, land slumping into the ocean, large volcanic eruptions or meteorite impact in the ocean. A tsunami can kill or injure people and damage or destroy buildings and infrastructure as waves come in and go out a tsunami is a series of enormous ocean waves caused by earthquakes, underwater landslides, volcanic eruptions, or asteroids tsunamis can:travel 20-30 miles per hour with waves 10-100 feet highcause flooding and disrupt transportation, power, communications. Credit: ap photo/eric skitzi measuring earthquakes an earthquake's size, or magnitude, depends on how large its parent fault is and how much it has slipped. A tsunami is caused by two plates of the earth colliding and rubbing together and building up pressure that eventually bursts to create a wave there are multiple wavesthe wa ve is really long offshore but when it gets closer to the coast line, it gets bigger the top is thinner then the bottom once its up there, its being supported by.
As early as 426 bc the greek historian thucydides inquired in his book history of the peloponnesian war about the causes of tsunami, and was the first to argue that ocean earthquakes must be the cause. A tsunami's size depends on where you encounter it of course, the farther you are from the origin, the smaller the wave is likely to be, because they lose energy traveling across the ocean. Tsunami are waves caused by sudden movement of the ocean surface due to earthquakes, landslides on the sea floor, land slumping into the ocean, large volcanic eruptions or meteorite impact in the ocean.
View full lesson: the immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mp.
What causes a tsunami march 10, 2011 7:00 pm print a tsunami is a series of large waves generated by an abrupt movement on the ocean floor that can result from an earthquake, an underwater. The most common cause of a tsunami is fro earthquakes this is what caused the boxing day tsunami in the indian ocean in 2004 and it is also the reason behind the 2011 japan tsunami to understand how earthquakes cause tsunamis we must first fully understand what causes earthquakes. A tsunami that may cause widespread flooding is expected or occurring dangerous coastal flooding and powerful currents are possible and may continue for several hours or days after initial arrival follow instructions from local officials.
A tsunami (from japanese: 津波, harbour wave english pronunciation: / t s uː ˈ n ɑː m i / tsoo-nah-mee) or tidal wave, also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. A tsunami is a large ocean wave that is caused by sudden motion on the ocean floor this sudden motion could be an earthquake, a powerful volcanic eruption, or an underwater landslide the impact of a large meteorite could also cause a tsunami. A tsunami is a series of waves caused by an earthquake, underwater volcanic eruption, landslide or other abrupt disturbance the most common cause of a tsunami is an earthquake , which is a sudden shifting of the earth's crust, which releases energy. Video: what are tsunamis - causes, effects & facts - causes, effects & facts disastrous tsunamis in indonesia and japan have raised awareness of these phenomena.
When an undersea landslide occurs (perhaps after a nearby earthquake) a large mass of sand, mud and gravel can move down the slope this movement will draw the water down and may cause a tsunami that will travel across the ocean. Understanding future risk requires knowing where tsunamis struck in the past, and how often but it very well could have been the root cause of why they stopped, he told ouramazingplanet. 4 major reasons for formation of tsunami – explained article shared by: the sea water above is displaced from its equilibrium position the computer model definitely gives the researcher an insight into the destructive power of tsunami caused by near-earth object some of the meteorites have been uncomfortably close to the earth and.
Understanding tsunami catastrophic volcanic eruption and its ensuing tsunami waves may actually be behind the legend of the lost island civilization of atlantis the largest volcanic tsunami can cause a bore to move up a river that does not normally have one. Tsunamis: the effects introduction the amount of energy and water contained in a huge tsunami can cause extreme destruction when it strikes land the initial wave of a huge tsunami is extremely tall however, most damage is not sustained by this wave most of the damage is caused by the huge mass of water behind the initial wave front, as. The most common cause of a tsunami is fro earthquakes this is what caused the boxing day tsunami in the indian ocean in 2004 and it is also the reason behind the 2011 japan tsunami to understand how earthquakes cause tsunamis we must first fully understand what causes earthquakes remember, tsunamis are an after-effect of an earthquake. A tsunami is a series of large waves generated by an abrupt movement on the ocean floor that can result from an earthquake, an underwater landslide, a volcanic eruption or - very rarely - a large meteorite strike however, powerful undersea earthquakes are responsible for most tsunamis.