Introduction Natural disasters are extreme‚ sudden events caused by environmental factors. They can happen at any time‚ often with little or no warning and they can cause serious injury to people and property. Earthquakes‚ tornadoes‚ wind storms‚ floods‚ tsunamis‚ wild fires‚ hurricanes‚ and heat waves often strike with little or no warning. People who are prepared for such an event have a better chance of survival. Preparation ensures that if disaster occurs people are ready to get through
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history‚ as 195 events in Japan have been recorded. The strength of a tsunami is absolutely frightening; a tsunami can completely destroy a city within minutes. The Indian Ocean Tsunami in 2004 was one of the deadliest tsunamis ever recorded and destroyed many cities. Tsunamis are behaves differently in shallow and deep water. In deep ocean water‚ tsunami waves form only small humps and are barely noticeable and harmless. In shallow water a tsunami slows down to ten miles per hour but in doing so‚ it
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the world’s oceans and seas. The following table lists some of the major tsunamis that have occurred up to 2000‚ along with the cause and the estimated number of deaths. For information on tsunamis after 2000‚ please visit the International Tsunami database. More information can be found on some of the tsunamis listed below by clicking on the date. Major Historical Tsunamis | Date | Place | Description | Estimated Deaths | July 21‚ AD 365 | Alexandria | Generated by earthquake | 50‚000 + |
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the ocean due to earthquakes‚ landslides on the sea floor‚ land slumping into the ocean‚ large volcanic eruptions or meteorite impact in the ocean. • Tsunamis generally consist of a series of waves withperiods ranging from minutes to hours‚ arriving in a so-called "wave train".[4] Wave heights of tens of metres can be generated by large events. Although the impact of tsunamis is limited to coastal areas‚ their destructive power can be enormous and they can affect entire ocean basins; the 2004 Indian
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Peloponnesian War[->4] about the causes of tsunami‚ and was the first to argue that ocean earthquakes must be the cause.[5]HYPERLINK \l "cite_note-Smid.2C_T._C._103f.-5"[6] The cause‚ in my opinion‚ of this phenomenon must be sought in the earthquake. At the point where its shock has been the most violent the sea is driven back‚ and suddenly recoiling with redoubled force‚ causes the inundation. Without an earthquake I do not see how such an accident could happen.[12] The Roman[->5] historian Ammianus
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like you are in a full blown tsunami with no escape. What do you do then? All you have to do is ask Maria Belon‚ her husband and three sons. Their Christmas holiday in Thailand turned into a nightmare when the Indian Ocean tsunami came crashing into their resort on 26 December 2004‚ leaving them bruised and scattered. She was terrified‚ alone and convinced that she was going to die. Luckily she found her eldest son and in their struggle to survive they reunited at a hospital‚ where she was treated
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University Natural Disasters Prof. Stephen A. Nelson Tsunami This page last updated on 02-Jul-2012 Up until December of 2004‚ the phenomena of tsunami was not on the minds of most of the world’s population. That changed on the morning of December 24‚ 2004 when an earthquake of moment magnitude 9.1 occurred along the oceanic trench off the coast of Sumatra in Indonesia. This large earthquake resulted in vertical displacement of the sea floor and generated a tsunami that eventually killed about 230‚000 people
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It was a serene Sunday in Banda Aceh‚ Indonesia when a substantial earthquake measuring around 8-9 on the Richter scale devastated the Indian Ocean region. The quake started at approximately 8:25 a.m. and lasted a prolonged seven minutes. The sea level drastically subsided and residents of the Banda Aceh began collecting fish that were exposed on the beach due to the change in sea level. At this time‚ in Banda Aceh‚ it was now 9 a.m.‚ and Banda Aceh was not as peaceful. Overwhelming waves began
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The 2011 Tōhoku earthquake and tsunami that affected Japan and the Indian Ocean earthquake affecting Southern Asia are both primary examples of natural disasters. Although these two events were completely unrelated to each-other‚ the economic and environmental impact that they had on their effected regions were very much similar. These included widespread death and injuries‚ building and infrastructure losses‚ major economic downfall and socio-economic loss. The Tohoku earthquake and tsunami struck
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tsunami to prevent future tragedy The Encyclopedia Britannica defines tsunami as "a seismic sea wave or tidal wave that is caused by an earthquake that occurs less than 30 miles beneath the seafloor and has a magnitude greater than 6.5 on the Richter scale". ("Tsunami" Encyclopedia Britannica 1986 ed) These giant waves are generated when a large earthquake at sea causes the sea floor to shift and displace the large body of water above it. The effects are waves that travel outward toward distant
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