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Prime Minister Kishida visiting the Fukushima plant in August 2023; Kishida's government continued with the planned water discharge. On 22 August 2023, Japan announced that it would start releasing treated radioactive water from the tsunami-hit Fukushima nuclear plant into the Pacific Ocean in 48 hours, despite opposition from its neighbours.
Radiation levels in Tokyo on 15 March were at one point measured at 0.809 μSv/hour although they were later reported to be at "about twice the normal level". [203] [204] Later, on 15 March 2011, Edano reported that radiation levels were lower and the average radiation dose rate over the whole day was 0.109 μSv/h. [203]
The Fukushima nuclear accident was a major nuclear accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan, which began on 11 March 2011. The proximate cause of the accident was the 2011 Tōhoku earthquake and tsunami , which resulted in electrical grid failure and damaged nearly all of the power plant's backup energy ...
At Mother’s Radiation Lab Fukushima in Iwaki, a citizens’ testing center known as Tarachine, tests were being conducted on water samples, including on tritium levels for seawater that the lab ...
TEPCO was able to estimate radiation levels of 530 Sv/hr, the highest level measured since the March 2011 accident when the previous high was measured at 73 Sv/hr. [80] [81] [82] This does not represent an increase in radiation at the reactor, but rather is the first measurement taken in the containment vessel at this location. [83]
A wall of water over 15 meters (50 feet) tall slammed into the coastal Fukushima Daiichi nuclear power plant, destroying its power supply and cooling systems, triggering meltdowns in three of its ...
Fukushima I and II Nuclear Accidents Overview Map showing evacuation and other zone progression and selected radiation levels. The Japanese reaction occurred after the Fukushima Daiichi nuclear disaster, following the 2011 Tōhoku earthquake and tsunami. A nuclear emergency was declared by the government of Japan on 11 March.
The radiation level measured was 72.9 sieverts per hour. Because of this, the endoscope could only function for a few hours. For reactors number 1 and 3, no endoscopic survey was planned at that time, because the actual radiation levels were too high for humans. [34] [dead link ] [35] [36]