Top 5 Essays on Earthquakes Geography Article shared by: An earthquake is a major demonstration of the power of the tectonic forces caused by endogenetic thermal conditions of the interior of the earth.
According to the U. Geological Survey many of the small islands of the southwest coast of Sumatra might have moved to the southwest by as much as 20 metres. Geological Survey expert Ken Herdnut, the northwestern tip of Sumatra may also have shifted to the southwest by about 36 metres.
Collision of the Indian and the Burmese plate created a fault 1, km long and km wide in the Indian Ocean. Motion of the Earth: The US Geological Survey also expressed the opinion as expressed by Ken Herdnut that tremendous energy released by the earthquake made the earth wobble on its axis.
This had caused the planet to spin 3 microseconds or one millionth of a second faster and to tilt about 2. In other words, day is shortened by about 3 microseconds and the North Pole has shifted towards east Siberia by 2. Decline in Soil Fertility and Agricultural Production: Vast low lying coastal areas were submerged under sea water which increased the salinity of the soil and reduced agricultural production.
Cuddalore and Nagapattinam districts in Tamil Nadu were the worst affected. Tests conducted on soil samples from these districts showed that sea water had seeped to a depth of about 90 cm of soil, thereby totally affecting the root zone cm below ground.
Soil profile tests showed high salinity varying from 6. This is highly saline condition in which no paddy crop could be cultivated. In Nagapattinam district alone, more than 9, hectares of land had been rendered unfit for cultivation by increased salinity.
Horticulture also suffered heavy losses. The total loss in Nagapattinam district was estimated at Rs. This land could be reclaimed by flushing the soil with fresh water from the Cauvery River and by administering about two metric tonnes of gypsum per hectare.
This process normally takes about 3 to 4 years to show the desired results. Farmers had been advised to sow plants like cashewnut which are saline-resistant. Effect on Marine Life: The killer tsunamis had badly affected the marine life of the Indian Ocean.
A large section of the coral reefs of the Andaman and Nicobar Islands archipelago had been destroyed, while others suffered extensive damages. According to marine biologists, satellite pictures showed that 45 per cent of the fragile coral reefs had been destroyed.
The surviving reefs were damaged by the debris washed into the sea from the islands.
Experts say it would take at least to years for reefs to re-form. The coral reefs around the Andaman and Nicobar Islands are of fringing type i. Hence they have suffers extensive damage. There were an estimated species of corals around the islands of the archipelago. Some of the species that were unique to the archipelago could have become extinct.
Fishing also suffered heavy losses at the hands of the powerful tsunamis. Sea beaches along the coasts of the Indian Ocean became graveyards of the dead fishes after the tsunami swept across the ocean. Mangrove areas that acted as nursery habitats to fish and shrimp were also damaged.
The breeding, feeding and other activities of large sea mammals such as whales, dolphins etc. Since hatcheries and aquaculture ponds of coastal areas from Kerala to Orissa have been adversely affected, the marine production and hence the marine exports were badly hit.Essay on tsunami August 10 of the , freely available here is the new tsunami pronounced 'soo-nah'mee'.
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Essay # srmvision.comg of Tsunami: The phenomenon we call tsunami is a series of large waves of extremely long wavelength and period usually generated by a violent, impulsive undersea disturbance or activity near the coast or in the ocean.
- The Tsunami Disaster At GMT on 26 December , a magnitude earthquake ripped apart the seafloor off the coast of northwest Sumatra. Over years of accumulated stress was released in the second biggest earthquake in recorded history.
The movie has an important place in American history—and the history of LIF. The Cause and Effect of the Tsunami in Thailand in Essay - The Cause and Effect of the Tsunami in Thailand in The tsunami in Thailand that occurred on December 26, , was by far the largest tsunami catastrophe in human history.
The Cause and Effect of the Tsunami in Thailand in - The Cause and Effect of the Tsunami in Thailand in The tsunami in Thailand that occurred on December 26, , was by far the largest tsunami catastrophe in human history.
Three months after the Indian Ocean earthquake-tsunami report Health consequences and WHO's response General overview. In the early hours of the morning of Sunday 26 December a massive earthquake measuring on the Richter scale struck the west of northern Sumatra. Essay on the Five Important Types of Natural Disaster! 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. Examples include earthquakes, cyclones, storms, floods. 3. Essay on Tsunami The Sumatran Tsunami of - Words. remains. Yesterday at around am a huge earthquake of magnitude shook the seabed of the Indian Ocean, km off the coast of Sumatra in Indonesia.