COMPARISON BETWEEN JAPAN AND SRILANKA TSUNAMIS ASSIGNMENT
COMPARISON BETWEEN JAPAN AND SRILANKA TSUNAMIS ASSIGNMENT
A tsunami occurs when there is a motion on the oceanic floor, which causes a large ocean wave. It can also be caused by a large meteorite. The waves travel across the open ocean and as they approach the shoreline, they build up into deadly waves. Geology is an earth science which deals with the physical structure and substance of the earth, as well as their history and any processes which act on them. As such, studying tsunamis help understand the cause, the intensity and also the chances of them happening again in order to take the necessary precautions. In the case of an active tsunami, information provided prior helps people act fast and remain a bit calm, which helps in saving lives as opposed to a confused and unprepared lot.
COMPARISON BETWEEN JAPAN AND SRILANKA TSUNAMIS ASSIGNMENT
The earth’s lithosphere, which is the rigid outer part, is made up of numerous pieces which are also known as plates. They usually move around the surface of the earth, a motion that is caused by the flow of the mantle rock, and also the force that is caused by the plates when they come into contact with each other. There are three types of plate boundaries, namely transform boundaries, divergent boundaries and convergent boundaries. At transform boundaries, the two plates slide past each other, an example is the San Andreas Fault in California. At the divergent boundaries, the plates move away from each other, an example is the Mid-Atlantic Ridge. Finally, the convergent boundaries move towards each other, an example is the Cascadia subduction zone. (Richardson 2017)
The Japan earthquake and tsunami that occurred on March 11, 2011, is also referred to as the Sendai earthquake and occurred in North Eastern Japan. It was so intense that the effects were felt around the world, from Norway’s Fjords to Antarctica’s ice sheet. It occurred in a subduction zone, whereby one plate slid beneath the other with the hot layer beneath the crust. It started on a Friday 2.46 pm local time and the shaking lasted for 6 minutes, having covered an area of about 10 kilometers inward. As of June 10, 2016, 1 894 people were confirmed dead and another 2500 were still missing. (Oskin 2017)
COMPARISON BETWEEN JAPAN AND SRILANKA TSUNAMIS ASSIGNMENT
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