The asian tsunami of 2004 was caused by tectonic activity beneath the indian ocean a fault twenty miles below the ocean surface ruptured, forcing one of the plates to be thrust upwards by as much. In hawaii, “there are submarine landslides, and submarine landslides do trigger tsunamis, but these are really small, localized tsunamis they don't produce tsunamis that move across the ocean. Indonesia was the first country to be seriously affected by the earthquake and tsunami created by the 2004 indian ocean earthquake on 26 december 2004, swamping the northern and western coastal areas of sumatra, and the smaller outlying islands off sumatra. The japanese word tsunami means big wave, and it's the preferred way to refer to the phenomena that used to be known as tidal waves tsunamis don't have much to do with ocean tides -- they are created by seismic events, such as earthquakes and landslides on the ocean floor. Most tsunami do not cause such extreme coastal inundation and the effect of small events may not be noticeable to without careful analysis of tide gauge measurements what causes tsunami earthquakes most tsunami are caused by large earthquakes on the sea floor when slabs of rock move past each other suddenly, causing the overlying water to.
Tsunami is adopted from japanese language it came from “tsu” means harbor and “nami” that is means wavethe meaning of tsunami is literally a ” big waves at the harbor” the tsunami is the movement of water of sea that is caused by sudden sea level changes in the ocean. The cause and effect of the tsunami in thailand in 2004 the tsunami in thailand that occurred on december 26, 2004, was by far the largest tsunami catastrophe in human history it was triggered by a magnitude 91-93 earthquake along the indian-australian subduction zone off the northern coast of sumatra. Tsunamis are mainly caused by earthquakes but one of the less common causes is also volcanoes, which can either be on land or underwater when they erupt, large amounts of water are displaced and a tsunami is formed.
So what are tsunamis, and what causes them a tsunami is a catastrophic ocean wave that is usually caused by a submarine earthquake, an underwater or coastal landslide , or the eruption of a volcano. The cause and effect of the tsunami in thailand in 2004 the tsunami in thailand that occurred on december 26, 2004, was by far the largest tsunami catastrophe in human history. Tsunamis are one of the most catastrophic natural disasters possible here's a list of ten of the most destructive tsunamis ever in this article , we'll look at what causes tsunamis, the physics that drives them and the effects of a tsunami strike.
One of the most powerful and feared natural disasters, the large and destructive water wave known as a tsunami can challenge a jet airplane for speed near the coast it can beat a three-story building for height these waves pack enough energy to destroy an entire coastal community in moments underwater earthquakes and volcanic eruptions are the most common causes of tsunamisthe word tsunami. Tsunamis are caused by shifts in tectonic plates in the middle ofthe ocean once they come ashore, tsunamis can cause millions ofdollars in property damage. Tsunamis can cause tremendous destruction of property and loss of lives they can completely destroy buildings and leave towns in a devastated state small tsunamis are non-destructive, and they happen frequently due to minor earthquakes however, large tsunamis reach incredible heights, and they.
Tsunami is a japanese word which means 'harbour wave' earthquakes under the sea are the main causes of tsunamis the biggest tsunami ever was at lituya bay, alaska on july 9, 1958 earliest tsunamis was in sicily 8,000 years ago landslides and volcanoes can also cause tsunamis a tsunami is a powerful. A tsunami is a powerful series of waves that result due to an abrupt disturbance, such as an earthquake learn how tsunamis form and grow and discover the devastating effects they can have on. There are many effects of a tsunami occurrence, both to the physical and the economical aspects of life tsunamis have the potential, and they normally do, cause a lot of destruction people living in coastal regions have reason to be fearful of a tsunami.
A tsunami can be generated by any disturbance that rapidly displaces a large mass of water, such as an earthquake, volcanic eruption, landslide or meteorite impacthowever, the most common cause is an undersea earthquake an earthquake which is too small to create a tsunami by itself may trigger an undersea landslide quite capable of generating a tsunami. Tsunami flooding then continues to cause damage for several more weeks the effects of the tsunami on the country during this period range from destruction and damage, death, injury, millions of dollars in financial loss, and long lasting psychological problems for the inhabitants of the region. Tsunami causes and effects table in a level cause effect of the japanese tsunami gcse geography 2011 earthquake essay rumas group tsunami facts and information national geographic.
The typical cause is an earthquake under the ocean floor tsunamis can also be caused by huge landslides into bodies of water, or by the impact of a large enough meteorite into an ocean or very large body of water. A tsunami us a large wave caused by a displacement of a large volume of water a tsunami are the effect of a natural primary hazards meaning that they are a secondary hazard, mostly the result of tectonic activity.
A tsunami’s trough, the low point beneath the wave’s crest, often reaches shore first when it does, it produces a vacuum effect that sucks coastal water seaward and exposes harbor and sea floors. Tsunamis typically are highest and cause the most severe damage and casualties very near their source where there is little time for warning the largest tsunamis, however, can cause destruction and casualties over a wide area, sometimes across an entire ocean basin. A tsunami or tidal wave is a series of waves in water body contact caused by the displacement of a large volume of water generally in an ocean or a large lakethe effects range from destruction and damage, deaths,injury, financial lossand long lasting psychological problems.