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Geography The Brazilian coast may suffer some impact of future tsunami? In 2001, scientists predicted that a future eruption of unstable Cumbre Vieja volcano in La Palma (Canary Islands) could cause a supergiant landslide into the sea. This potential landslide, the western half of the island would catastrophically slide into the ocean. This would cause a slip megatsunami with waves of 100m in height that would devastate the coast of northwest Africa, with a tsunami of 30m to 50m reaching the east coast of North America many hours later, causing devastation and coastal mass death of Probable million people. Would you take seriously this forecast announced by scientists? Before answering, please read the statement below. After Hurricane Katrina, many news agencies said that American experts warned there 03 years, the risk of destruction of the city of New Orleans, State of Louisiana (United States) in the event of a hurricane, if nothing were done to solve the problem of instability of the dikes. As nothing was done, the result was plastered all over the news in print and broadcast media in September 2005. And now, we can give credit to the scientists? Table 3 New Orleans is located below sea level and protected from flooding by the Mississippi River levee. Because of these levees and sedimentation underground city, a major storm or hurricane would cause severe damage to the city. On August 30, 2005, two of the levees surrounding New Orleans gave way to the great pressure of the waters of Lake Pontchartrain. The reservoirs of these dams were already over capacity, due to Hurricane Katrina. Because of this, 89% of the city was flooded, with water reaching a depth of 7.6 meters. Source: www.pt.wikipedia.org / wiki / New_Orleans (with adaptations). ACTIVITY Identify a world map the geographical position of the Cumbre Vieja volcano on La Palma. Is there a possibility that megatsunami reach the Brazilian coast? Should we be worried? Are we prepared? Disasters are Preventable or Inevitable?
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Geografija Brazilski Obala može trpjeti neke utjecaj budućeg tsunamija? U 2001, znanstvenici su predviđali da buduća erupcija nestabilnom Cumbre Vieja vulkan u La Palma (Kanarski otoci) može uzrokovati super-odron u more. Ova potencijalna klizišta, zapadne polovice otoka katastrofalno bi gurnite u ocean. To će izazvati megatsunami slip s valovima 100m u visinu kako bi devastirao obalu sjeverozapadnoj Africi, s tsunamija 30m do 50m dostizanje istočnu obalu Sjeverne Amerike mnogim sati kasnije, uzrokujući devastaciju i obalni masovna smrt vjerojatnih milijuna ljudi. Biste li ozbiljno ovu prognozu najavio znanstvenika? Prije odgovora, pročitajte u nastavku izjave. Nakon uragana Katrina, mnoge novinske agencije izjavio je da su američki stručnjaci upozorili ima 03 godine, opasnost od uništenja grada New Orleans, Louisiana State of (United States) u slučaju uragana, ako ništa bilo učinjeno kako bi se riješio problem nestabilnosti nasipa. Kao što ništa nije učinjeno, rezultat je ožbukana svim vijestima u tiskanih i elektronskih medija u rujnu 2005. A sada, možemo dati kredit za znanstvenike? Tablica 3 New Orleans nalazi se ispod razine mora i zaštićen od poplava rijeke Mississippi nasip. Zbog tih nasipe i sedimentacije podzemni grad, glavni oluja ili uragan bi prouzročiti veliku štetu gradu. 30. kolovoza 2005, dva od nasipe okolnim New Orleans ustupila velikog pritiska vode jezera Pontchartrain. Spremnici tih brana su već preko kapaciteta, zbog uragana Katrina. Zbog toga, 89% grada je poplavljeno, a voda dopire do dubine od 7,6 metara. Izvor: www.pt.wikipedia.org / wiki / New_Orleans (s izmjenama). AKTIVNOST Prepoznajte karta svijeta na geografski položaj vulkana Cumbre Vieja na La Palmi. Postoji li mogućnost da megatsunami do brazilsku obalu? Trebamo li se zabrinuti? Jesmo li spremni? Katastrofe se spriječiti ili neizbježan?