Nuclear and Industrial Safety Agency of the Ministry of Economy, Trade and Industry April 12, the first nuclear power plant accident raised the INES Level 7 Toukyoudenryoku Hukushima the worst. Sign of convergence in the vicinity of No. 4 in the morning and also the fire that can not be seen April 12, Fukushima emissions of radioactive material could have been out over Chernobyl. Their plight is to add insult to injury, a series of aftershocks. On April 11 aftershocks struck the maximum intensity of lower 6 Fukushima and Ibaraki, intensity 5 lower in the event of an aftershock epicenter off the east coast as well Tiba am April 12. The agency assumes that the seismic aftershocks of the seven classes in the future. Level 7 is the same level as the Chernobyl accident and the former Soviet Union's worst nuclear accident. Nuclear Safety Commission, radioactive materials are released every hour or up to 10,000 primary Terabekureru first ever Fukushima, estimated it lasted for several hours. INES Level 7 has been defined as more than 131 becquerels Terra tens of thousands of iodine emissions equivalent to the outside, it also decided to apply to NISA. Meanwhile, deputy head of the nuclear location of TEPCO Matsumoto Zyuniti full release of radioactive material has not been stopped, but comparable to the Chernobyl emissions, and expressed the view that may exceed or have concerns or. Among such, around 38 minutes at 6:00 am April 12, there was a fire in the No. 4 nuclear power plant near the first outlet. Building fire in the sampling location, mobilizes fire brigade, was confirmed extinguished at 9:00 am every 12 minutes. Was not injured. According to TEPCO, the roof of the building by eliminating the sampling in the tsunami, that there is a possibility of leakage from the battery state was exposed. The prospect of the first primary convergence Hukushima still stand. To add insult to injury is the critical situation, but a series of aftershocks. Epicenter and magnitude Hamadori Fukushima received 7.0 aftershock on April 11, the director Satoshi Osamu Doi Earthquake Prediction Information Division Japan Meteorological Agency has pointed out in an interview. M7, 8-class earthquake, the aftershock activity is reduced in about one month, and this large scale M9. For shallow inland earthquake aftershocks, it is also assumed to be seven seismic shaking. On this day, the Earthquake Research Committee of the Government, the chairman Abe Katsuyuki abroad, for earthquake East M9, but the earthquake class, near Japan M8 recognition had been some time in belief of the maximum level showed. Unexpected great earthquake seismology in authority are more than common sense in the scale of the aftershocks of the Society. In fact, the warnings issued by the Meteorological Agency has a track record of Mr. Doi. 7 days prior to the earthquake in a month's time being, said intensity 6 lower - can not deny the strong likelihood of six major aftershocks. The six-strong aftershock struck a maximum intensity around Miyagi Prefecture, was at midnight that day.
M8 likelihood of some class.
The most worrying about the aftershocks of the April 11, Mr. Sono Doi is a place that has occurred. Iwaki City inland observed intensity is less than 6, which brought East this earthquake, it was nearly 30 M4 region is not happening in most earthquakes. It was a very large earthquake for earthquakes, so that widely influenced state of the crust. Cautioned there may be outside the influence of strong aftershock tremors. M7 class so far has occurred in the aftershock area, all land is the first time. Intensity 7, outside the aftershock land, the key word that crosses horror scenarios epicentral earthquake in the city. At the same time, the Fukushima No. 1 nuclear accident, large aftershocks and tsunamis hampered their work, there is concern that the situation may worsen. Aftershocks shake someone up living in the metropolitan area, and nuclear power plants. When will I fit together ... and everyone would think. However, looking at the huge earthquake in the past, but the reality is that the aftershocks of the class going over the big earthquake occurred many years later.Occurred on December 26, 2004, earthquake off Sumatra triggered tsunamis M9 · 1, the 28th of March 2005 three months after a 6 M8 · aftershocks occurred. The tsunami caused a few meters, 1,000 units of casualties. The Sumatra is also the 12th September 2007 M8 · 5,2009 between the M7 has 10 years of aftershocks have occurred four times the level earthquake. Among seismologists, the aftershocks have been small scale and a common sense of the magnitude of main shock. M9 · this main shock for 0, M8 can cause aftershocks have a good class. Incidentally, the Kobe earthquake of January 17, 1995 M7 · 3. How to know how large the earthquake. The largest earthquake aftershocks in the East, took place about 30 minutes after the main shock was 7 M7 ·. However, Mr. Doi of Japan Meteorological Agency can be evaluated at the largest aftershock of this earthquake has not said.
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