An explosion takes place, releasing the magma from a confined space, which is why there are often also huge quantities of gas and dust released during a volcanic eruption. The magma travels up the inside of the volcano, and pours out over the surrounding area as lava.
One of the most common natural disasters, but also one of the most commonly forgotten, is wildfires. These take place in many different countries all over the world, particularly during the summer months, and can be caused by a range of different things. Some of the things that can start the wildfires can be totally natural, while others can be manmade, but the speed at which they spread is entirely down to nature. The reasons that they spread so quickly are prolonged hot, dry weather, where the vegetation dries out, which is why they often take place in woodland.
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The impact of these cyclones is confined to the coastal districts, the maximum destruction being within km from the centre of the cyclone and on either side of the storm track. The worst devastation takes place when and where the peak surge occurs at the time of the high tide. The population density in some of the coastal districts is as high as persons per square km.
Cyclones have a devastating effect on the economy and lives of the people in the affected districts. A very large population in the affected districts loose its source of livelihood. Public infrastructure suffers extensive damage. The economy of the state suffers a serious setback. This has an adverse impact on the development of the state. Some of the most devastating earthquakes in India in the past include the Kashmir earthquake in , the Kutch earthquakes and , the Shillong earthquake of , the Kangra earthquake of , the Bihar-Nepal earthquake of , the North-East and Assam earthquake of , the Anjar earthquake in Gujarat of, etc.
What made the earthquake more tragic was that many parts of the state were reeling under a drought for the second successive year. Kutch was facing drinking water and fodder scarcity. Men had migrated for work leaving women and children behind. Thus it was the poorest and the most vulnerable who were affected.
The peninsular part of India comprises continental crust regions, which are considered stable as they are far from the tectonic activity of the boundaries. Although these regions were considered seismically least active, an earthquake that occurred in Latur in Maharashtra on September 30, , measuring 6. One of the most devastating disasters of the 21st century was the Asian tsunami that wreaked havoc in 11 countries on December A tsunami is a series of ocean waves generated by sudden disturbances in the sea floor, landslides, or volcanic activity.
In the ocean, the tsunami wave may only be a few inches high typically cm , but as they race onto shallow water regions their speed diminishes which results in increase in the height of the wave.
When it finally reaches the coast, a tsunami may appear as a series of massive breaking waves.
Mar 11, · .. .8 Natural disasters introduction A natural disaster is the effect of a natural hazard (e.g., flood, tornado, hurricane, volcanic eruption, earthquake, heatwave, or landslide).
Natural disasters happen all over the world, and they can be utterly devastating for people’s lives and the environments in which they live.
This essay seeks to provide an overview of insurance specifically on assessment, measurement and management of both man-made risks and natural disaster risks. The essay further highlights the formulas adopted in measuring man-made risks. How to Outline Your Essay on Natural Disasters. Your natural disasters essay will be much easier to write if you take the time to map out your outline first. Your outline allows you to understand what the structure of your essay will be and what subjects you should cover within each section.5/5.
A natural disaster is unforeseen, severe and immediate. Pollution, ozone depletion in the stratosphere and global warming come in this category. Natural disasters include cyclones, earthquakes, floods, drought (though these two are now being increasingly considered ‘man- made’ disasters) heat and cold waves, landslides, avalanches, flash floods, severe thunderstorms, hail, low level wind shears, and . The responses to natural disasters have been to invest in early warning systems that tend to protect lives and properties (FEMA, Disasters ). People should manage natural disasters by bringing new emphasis to research, preparedness, response, and recovery.