subduction zone will spell the worst natural disaster in the history of the continent. The tsunami can be understood at the basic level by looking at the series of concentric ripples formed in a lake when a stone is thrown into. Taxpayers will cover seventy-five to a hundred per cent of the damage, as happens in declared disastersthe economy of the Pacific Northwest will collapse.
Tsunami is generated when ocean floods shift vertically, usually due to an earthquake. When a shift in the ocean floor displaces the water above, the water body travels. Essay on the Five Important Types. A natural disaster is any natural phenomenon which causes such widespread human material or environmental losses that the stricken community cannot recover without external assistance.
They have a period in the range of ten minutes to two hours and a wavelength exceeding 500. Disaster management has therefore emerged as a high priority. The shaking from the Cascadia quake will set off landslides throughout the regionup to thirty thousand of them in Seattle alone, the citys emergency-management office estimates. Warning Systems: The warning of an oncoming tsunami cannot be obtained by merely detecting an earthquake in the seas; it involves a number of complex steps which have to be completed in a systematic and quick fashion.
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Eleventh Plan Strategies and Initiatives : The Eleventh Plan (2008-2013) aims at consolidating the entire process of disaster management by giving impetus to projects and programmes that develop and nurture the culture of safety and integration of disaster prevention and mitigation into the development process. When a giant tsunami crushed fishing villages and tourist resorts across Asia became a reality the day after Christmas. The human-activity-induced hazards like pollution and global warming have already started showing their precursors, giving sufficient time to control and avoid these hazards by long term planning. The entire north-eastern region falls in zone. The first clue came from geography. The evacuation of people is difficult in flat coastal districts as in Bangladesh where the tides of six to 10 metres above the sea level submerges offshore islands and travels inland for considerable distances. This in turn affected the velocity of earths rotation and the Coriolis force which plays a strong role in weather patterns.