people either dead or missing across Asia. The prescriptions were broadly divided into three categories:. As an average ocean depth of 5000 m is assumed, one talks of tsunamis as having an average speed of about 750 km per hour. 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. A quakes magnitude is usually measured in terms of the Richter scale. India has an efficient cyclone warning system. Thus India has four such zones nowII, III, IV and. Silting and consequent decrease in thi depth of water is the main obstacle in this navigation. These beams are shot from an observatory to a geostationary satellite in space.
Short essay on chennai floods
The Indian Ocean is not prone to tsunamis. It runs parallel to the eastern coast joining all the coastal districts from Guntur to South Arcot. When she told this piece of news to the reporters one could see her heart bursting in uncontrollable grief. The Himalayan region has been the site for great earthquakes of the world of magnitude greater than.0. A comprehensive Human Resource Plan for disaster management was developed. So tsunamis lose little energy as they propagate as they have a very large wavelength. Again, a marine volcanic eruption can generate an impulsive force that displaces the water column and gives birth to a tsunami. About 160 lakh tonnes of cargo is annually moved by Indiand Wjjter Transport.
Prior to the advent of rail and road transports, goods and people were moved from one place to another through water transport. Since there is almost very small cost involved in the construction and maintenance of waterways this. Free sample essay on The Natural Calamities. In recent years natural calamities have taken a heavy toll of lives and this is something quite shocking.