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Originally posted by Silverado292
reply to post by OnlyLove
I thought if the core burned through and hit the ground water it would cause a huge explosion. If thats the case could it be close to breaking through but hasn't done so yet?
Airborne radiation levels are within their average prequake range in most of Japan and at elevated but unalarming levels in some communities in Fukushima prefecture and the areas immediately surrounding it. The big exception is the city of Fukushima, 37 miles from the stricken plant, which on Wednesday had airborne radiation levels of about 1.5 microsieverts per hour, 30 to 40 times the usual average.
For the general public, the government sets a limit of one millisievert a year for exposure to nuclear plants or other man-made sources of radiation. The average person world-wide receives radiation totaling 2.4 millisieverts per year, or 2,400 microsieverts, from all sources— from natural sources to radon, but not from exposure from X-rays and airplane flights, according to Japanese officials.
Akiko Matsuoka, a mother of two girls, lives in Kashiwa, which has higher-than-normal airborne radiation levels of around 0.3 to 0.4 microsieverts per hour, according to city officials, one of the highest in the Tokyo metropolitan region.
You're right, it depends on a number of factors.
Originally posted by predator0187
It depends how it hit the water. If dropped into a body the heat would cause a steam explosion, but, if it oozed into it, it would just produce a ton of radioactive steam. And, hopefully in the process it would help cool the ooze.
Originally posted by Logman
How bad does it not have to get until people realise this event is not big of a deal for Japan as a whole? How many times do I read that Japan will become uninhabitable? How mush BS must I read on ATS? A 3 megaton atomic explosion has a blast radius of 300km?
In 1961 The Russians tested the largest bomb ever called Tsar Bomba - King of the Bombs with a yield of 50 megatons. The blast radius of total destruction was 13 miles although the shockwave did shatter windows hundreds of miles away.
It would take a bomb with a yield of 100 megatons to incinerate everything within 100 miles and such a bomb has never been made as it needs to be massive. All the big bombs tested in the testing era were gravity bombs (dropped by bombers like B-36). These days the average nuke is a megaton (like the Trident that has 12 warheads of 0.1mt in the missile) but I digress.
I live in Japan and of all teh things to be concerned about, Fukushima is not high on my list.
The base of the cloud was 40 kilometres (25 mi) wide. All buildings in the village of Severny (both wooden and brick), located 55 kilometres (34 mi) from ground zero within the Sukhoy Nos test range, were completely destroyed. In districts hundreds of kilometers from ground zero, wooden houses were destroyed, and stone ones lost their roofs, windows and doors; and radio communications were interrupted for almost one hour. One participant in the test saw a bright flash through dark goggles and felt the effects of a thermal pulse even at a distance of 270 kilometres (170 mi). The heat from the explosion could have caused third-degree burns 100 km (62 miles) away from ground zero. A shock wave was observed in the air at Dikson settlement 700 kilometres (430 mi) away; windowpanes were partially broken to distances of 900 kilometres (560 mi). Atmospheric focusing caused blast damage at even greater distances, breaking windows in Norway and Finland.
and radio communications were interrupted for almost one hour. One participant in the test saw a bright flash through dark goggles and felt the effects of a thermal pulse even at a distance of 270 kilometres (170 mi).
A researcher says the death rate among babies is up 48 percent since Iodine-131 was found in Philadelphia’s drinking water.
After the explosion at the Fukushima power plant in Japan, radiation circled the globe, all the way to Pennsylvania.
About a month, after the disaster, radiation levels spiked, in our water, at three Philadelphia facilities.
Mangano said radiation combined with higher levels of iodine the EPAQ found in Philadelphia’s water two months ago may be killing young babies here.
Mangano looked at infant death data from the Centers For Disease Control And Prevention.
It shows an average of five infant deaths a week in the five weeks leading up to the fallout in Japan.
Then, for the 10 weeks after Japan, there was an average of 7. 5.
During the same time period, the rate of infant deaths for the whole country jumped just 2.3 percent.
So why the huge disparity?
Mangano points to significant rainfall and iodine.
The EPA data showed the levels in drinking water in Philadelphia were the highest in the country and out of the seven highest readings, five were in Philadelphia.
Mangano also looked at numbers for the same time period dating back six years. They showed a decline in infant deaths until this year.
Also we should point out no autopsy information regarding these infant deaths and radiation was available.