This area is roughly bounded by the port city of onagawa, where the tsunami showed a truly impressive force continues through the city of minamisanriku, which we talked about in the previous part, then lines through the city of kesanuma and ends at rikuzantakata, which literally disappeared from the World map further north, the damage after the tsunami was also enormous, yet visibly slightly weaker. In this episode, we take a closer look at the city of kasanuma and explain why the city was so devastated and was one of the four most affected cities by this catastrophe. Friends, welcome on the top topics channel. This video is a part of a series dedicated to the 10th anniversary of the 2011 earthquake and tsunami in tohoku. The first and fundamental reason why the city of casanova, as well as the whole area was hit hard, is the location of the city. The city lies directly opposite the epicenter of the earthquake, where energy was released at the tectonic fold and the seabed was raised. This fact, and the distance of the city only 65 miles from the epicenter was enough indication that the tsunami would strike the city very strongly and very quickly. Another reason is that the entire northern area of miyagi prefecture, where the city is located, has sunk slightly into earth crust by as much as three quarters of meter, which has significantly facilitated the spread of the tsunami. When we look closely at the structure of the coast, you would maybe think that the city was well protected by the deep bay in which it is located and also by the island of oshima.
But as well known, it is in the deep bay that the effects of the tsunami are greatly enhanced. As the tsunami from the open sea is pushed into a narrow space which begins to accumulate a large amount of energy in the wave that would otherwise spill over. In addition, the overall duration of the tsunami is significantly extended. The wave manifests itself as a flood of furiously flowing and rapidly rising water. The town of kesanuma was damaged by the existence of the island of oshima as a strong current was pushed into this tsunaro base and just before the city merged into one single stream that invaded the city like when two huge and flooded great rivers come together. The waves spread along the path of least resistance, the okava river, and also to the local port at first, the situation, didn’t, look dangerous and the river and the deep bay were able to absorb the first surges of water. However, the flow of water was still growing and, moreover, after the flooding of the port, the water had nowhere to spread. This narrow volley functioned as a plug, and all the mass of water immediately began to spread across this peninsula on which to the city center. Then something happened that was fatal for the city of kasanuma, as well as for the city of minamisandriku, on agava and rikuzentakata, the second much more destructive wave game which accomplished the work of destruction. This wave has long been speculated because it was so large that it broke long before the coast and the witnesses described it in the afflicted towns only as a sudden increase in the flow of water and the rise in the water level.
Recently, however, a unique video has seen the light of day from the town of casanuma, where this huge wall of water was captured. What you are about to see is a wave of destruction which was located only for this area and which, according to scientists from the university of tokyo, comes from a different source than the wave that hit the entire coast of japan. Research continues, but we know this was just another reason why the area has been so badly damaged as the waves built fire in front of the shore and flowed into the city in the form of a raging flood. The water immediately flowed across the peninsula, merging with the current in the okava river, creating a terrifying spectacle within minutes. The city center was completely washed away, and the tsunami showed its incredibly destructive power. The whole destruction of the city was completed by a huge fire which arose in the refineries of a petroleum products, of which there were several in the city. It was one of the most devastating fires in the history of japan. The next day only debris remained from the city. The balance was frightening, nearly 1500 dead and billions of dollars in damage Music. As you can see, the renewal of the city is still going on today, especially in the area of the peninsula Music. The recovery will take many more years, but progress is still visible after 10 years. The elevation of the space is artificially increased as in other cities, so that any further wave will not cause such damage Music.
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