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Sci Tech    H2'ed 7/12/14

Off shore nuclear waste dump sites hit by 3 earthquakes off the coast of Japan

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Recent earthquake information

Yesterday there were two earthquakes measuring M6.5 and M4.6 off the coast of Japan sending a meter high tsunami towards the coastline. Fortunately, very little damage was done, though the shocks were felt in Tokyo and upwards along the coast towards Fukushima and beyond. There have been eight others in the last month of similar magnitudes and as high as M5.9. There was also another minor one today.

History of these after shocks

These Earthquakes are the after shocks from the great earthquake that caused the nuclear meltdowns in 2011. The aftershocks during 2011 were counted in the hundreds and a little known fact was that many of the sea-based earthquakes hit the waste dumping grounds at the bottom of the deep sea area. The shocks from these underwater earthquakes are much more severe than when on land, because the water does not dampen the energy. This would cause anything on the sea floor to be impacted greatly by even lesser magnitude shock waves. Multiple shocks as likely happened yesterday would have a greater impact

Japan undersea waste dump
Japan undersea waste dump
Image by Japan Environment Agency (public))   Details   DMCA

The picture above shows the dumping areas, with smaller areas designated as " Dumping areas A" that have either nuclear, toxic or biological materials in them. "Dumping area B" is for house hold and general industrial waste. These areas are in the deep part of the sea off the sea shelf.

What is significant is the number of times these areas were impacted over the last three years, and the silence of the Japanese marine agency that is supposed to keep an eye on them.


The above video shows a timeline of earthquakes with the number of direct strikes that these dumping areas actually got.

There is concern with the A areas and the effects on the dangerous materials that were placed there. There is also talk about the dumping of USA cold war legacy nuclear materials, but no one knows where they are put. Could they be in these areas? And did the Japanese then add to them over the years? you will notice that the dump sites are on the edge of Japan's territorial waters.

Were these dump sites the reason that no one except the Japanese, US navy and the IAEA are allowed to measure for radionuclides? The Woods Hole expedition was allowed on a Japanese research ship with mainly Japanese scientists who controlled where they could do their testing.

If not radiological contamination? What then?

Some of these areas might actually pick up currents that would spread contamination into surrounding countries and fisheries. There is a need to find out the types of contamination and where it might have spread to. But this is not being done.

From a report in 1992 (Diagram above)

"..."..The Marine Pollution Control Law prohibits, in principle, the dumping of waste at sea. The disposal of specific types of waste is permitted if conducted according to designated disposal methods, and in designated areas (e. g. offshore at Boso, Shikoku, Sanriku and the Japan Sea) where marine conditions are judged suitable for such disposal ..."


"...According to a 1990 survey conducted by the Maritime Safety Agency on pollution levels in neighboring ocean waters where wastes are being disposed, water quality was about the same level as before. and there was no particular worsening of pollution."

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