Tsunami
Seismic waves travel through the ocean and sea water, resulting in high sea waves, which are known as Tsunami. 'Tsunami' is a Japanese word that has been adopted universally to describe the seismic sea waves. These waves are capable of generating considerable destruction in some coastal areas, especially where submarine earthquakes occur, once the tsunami occurs, its consumption (ratio of height of length) is very low. Lack of steepness combined with a very long period of wave (5 to 6 minutes), it enables to pass unaware of the ship in the sea. Since the seismic sea wave comes on the edge, the situation changes rapidly and often dramatically. While the duration of the wave remains constant, velocity droplets, and wave height increases very much. As soon as the crest comes on the coast, water increases water in a very high, fast tide. In the area around the epic of earthquake, Tsunami waves can reach the height of 30 meters (100 feet). Tsunami travels at a speed of 100 to 150 km per hour, which can take up to 650 to 950 km per hour. Similarly, it can travel quite a distance. Tsunami is around or around the killings. They are more often in the Pacific Ocean. Other Ocean, such as the Atlantic Ocean and Indian Ocean, however, are not free from the event of seismic waves. April, 1946, a fracture with the Aliuteon Trench produced a tsunami who surrounded the Scotch-Cap Lighthaus in the University Island in Alertian. The Lightahouse was completely destroyed, and five coastal workers working in Lightah had died.
Some of the biggest tsunami in recent years including Japan Tsunami (March 11, 2011), where killed more than 25,000 people around Sendai city and destroyed the Fukushima nuclear plant. Nuclear radiation has populated Japan, China, North and South Korea and U.S.A. And the Canadian population has troubled. Banda Ace (Sumatra) seismic wave, which was 26 "in beautiful ditch on December 2004 and more than two lakh people died in neighboring countries. Tsunami was very serious in Andaman and Nicobar Islands and Tamil Nadu Coast Mr. Lanka, Maldives, Oman and Somalia were adversely affected as a result of human casualties and deficits in remote areas. In 1703, AA (Japan) serious magnitude is death in one lakh people in seismic waves Gone. On August 22, 1883, the explosive volcanic explosion of Krakata in Indonesia produced high waves of 35 meters, who destroyed 163 villages and killed more than 36,000 people. Portugal Lisbon City The tsunami (more than 15 meters more than 15 meters) was burned by 1755 earthquake, in which more than 60,000 people were killed. From 1948, an international tsunami warning network has been in operation around the Pacific Ocean so that in the potential danger of residents, headquarters In Honolulu. However, there is no success has not been achieved because the earthquake's incident is sudden and the speed of the tsunami can be approximately one thousand km per hour. Tsunamis thus is a great natural threat.
Tsunami based Mcqs
Tsunami is a sea wave caused by which of the following?
(a) high tide
(b) sea storm
(c) Earthquake on land
(d) earthquake under the sea
Answer: earthquake under the sea
Most major tsunamis are generated by earthquakes associated with which of the following?
(a) Divergent Margin
(b) convergence margin
(c) change margin
(d) none of the above
Answer: convergence margin
What does a tsunami look like in the open ocean?
(a) barely noticeable waves
(b) small cresting waves
(c) huge cresting waves
(d) huge non-cresting waves
Answer: barely noticeable waves
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