Japan Earthquake Release Energy Equivalent to 6.7 trillion tons of TNT
The total energy released by a major earthquake that occurred on Friday last week at Japan’s Sendai explosion equivalent to 6.7 trillion tons of TNT bombs, or about a thousand times the power of all nuclear weapons on earth combined.
Like the New Zealand earthquake that recently happened, an earthquake 8.8 on the Richter Scale Chile last year, and 9.1 on the Richter Scale earthquake in Aceh Aceh in 2004, disaster that occurred in Japan is the result of massive geological forces that act along the ring of fire Pacific (Pacific Ring of Fire) which also pass through most parts of Indonesia.
As reported by dailymail site, this time in the Pacific plate earthquake Menghujam Philippine plates in subduction zones, so there was an earthquake on the Richter Scale with epicenter 9 located at approximately 12.8 km from Fukushima, at a depth of 9.6 km.
Japan itself is a country where the meeting of several plates, the Pacific plate, Philippine plate, the North American plate and Eurasian plate. Not surprisingly, then Japan already so familiar with earthquakes.
In October 2004, an earthquake with a magnitude of 6.8 struck the Niigata region in northern Japan, claimed 65 lives and 3,000 wounded. It was the deadliest quake since the 1995 Kobe earthquake with magnitude 7.3 that took more than 6,400 lives.
Therefore it can be said that Japan is one of the countries most ready to deal with earthquake disasters. Because, in Japan, the earthquake has become one of the curriculum for school children, and the buildings there to apply strict standards to deal with earthquakes.
Remember, major earthquakes not only claimed many lives and damage to buildings alone, but also a more severe disasters, the tsunami that could snatch even greater loss of life.
In this case, Sendai earthquake generating tsunami as high as 10 meters with a speed of about 800 km per hour. Therefore, deaths in Japan is estimated at more than 10 thousand people.
A geologist from the University of Edinburgh, Professor Ian Main, said it was fortunate that this accident occurred at a location relatively far from other crowded areas in Japan.
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