No. 4 reactor

PROMETHEUS TRAP/ 'Shadow units' (14): SDF commander ...
The No. 4 reactor of the Fukushima No. 1 nuclear power plant (Asahi Shimbun file photo)
Editor's note: This is the 14th part of a new series that has run in the past under the title of The Prometheus Trap. This series deals with the secret missions assigned to the ...
High radiation bars decommissioning of Fukushima...
The No. 4 reactor building at the Fukushima No. 1 nuclear power plant on Feb. 20 (Soichiro Yamamoto)
Preparations for the mammoth task of decommissioning crippled reactors at the Fukushima No. 1 nuclear power plant are being stymied by continued high levels of radiation from...
INTERVIEW: Japan nuclear minister speeds up...
A white tarp on the right covers the spent fuel rod pool on the fifth floor of the No. 4 reactor building at the Fukushima No. 1 nuclear power plant on May 26. (Pool)
Workers at the crippled Fukushima nuclear plant will begin removing fuel rods from a damaged reactors a year ahead of schedule, a government minister said June 21, a move to...
TEPCO plans removal of unused nuclear fuel as early ...
An inspection team, including Goshi Hosono, state minister in charge of the Fukushima nuclear accident, views the storage pool for spent fuel on May 26 at the No. 4 reactor of the Fukushima No. 1 nuclear power plant. (Pool)
Tokyo Electric Power Co. is giving thought to removing unused nuclear fuel stored in the pool of the No. 4 reactor of its crippled Fukushima No. 1 nuclear power plant as early...
Rubble hinders decommissioning work at Fukushima No....
The fifth floor of the No. 4 reactor building at the Fukushima No. 1 nuclear power plant as seen on May 26. The spent fuel rod pool is on the right, covered with a white tarp. (Pool)
Mountains of rubble stand in the way of decommissioning the No. 4 reactor of the Fukushima No. 1 nuclear power plant, part of an unprecedented challenge facing Japan to...
Officials try to calm fears about spent nuclear...
Ikko Nakatsuka, senior vice minister of the  Cabinet Office, left, and Hiroshi Asahi, director-general for Energy and Environmental Policy of the ministry of trade and industry, speak at the Foreign Correspondents' Club of Japan in Tokyo on May 21. (Hiroshi Matsubara)
Despite growing international concerns over the state of spent fuel rods at the crippled Fukushima No. 1 nuclear power plant, two government experts said on May 21 that there...
TEPCO releases images taken from inside No. 4...
Two objects that appear to be boards are seen inside the pressure vessel of the No. 4 reactor at the Fukushima No. 1 nuclear power plant. (Provided by Tokyo Electric Power Co.)
The first images taken from inside the pressure vessel of the No. 4 reactor at the Fukushima No. 1 nuclear power plant show damage, although the amount of debris was not as...
Fukushima No. 4's cooling system up and running
Steam rises as the water temperature rises in the fuel storage pool of the No. 4 reactor of the Fukushima No. 1 nuclear power plant on June 29. (Provided by Tokyo Electric Power Co.)
The temperature in the nuclear fuel storage pool at the No. 4 reactor of the Fukushima No. 1 nuclear power plant fell 2 to 4 degrees on July 31 in the first seven hours that a...
TEPCO builds levee to protect reactors
Steam rises from the spent fuel storage pool at the No. 4 reactor of the Fukushima No. 1 nuclear power plant on June 29. (Tokyo Electric Power Co.)
A 362-meter-long makeshift coastal levee to protect the Fukushima No. 1 nuclear power plant from a second tsunami was completed by Tokyo Electric Power Co. on June 30.
TEPCO releases image inside spent fuel pool at No....
(c) The Asahi Shimbun
Tokyo Electric Power Co. released on April 29 an image of fuel assemblies in the storage pool of spent fuel rods in the No. 4 reactor at the Fukushima No. 1 nuclear power plant.
TEPCO: Fuel rod damage limited in No. 4 reactor
A crane collects water in the spent fuel storage pool of the No. 4 reactor at the Fukushima No. 1 nuclear power plant on Tuesday afternoon. (Provided by Tokyo Electric Power Co.)
Damage to spent fuel rods stored in the pool of the No. 4 reactor of the crippled Fukushima No. 1 nuclear power plant is limited, according to plant operator Tokyo Electric...
TEPCO considers plan to remove spent fuel rods from ...
A cask used to transport nuclear fuel rods photographed at Rokkasho, Aomori Prefecture, in 1999. (Asahi Shimbun file photo)
Officials of Tokyo Electric Power Co., the operator of the crippled Fukushima No. 1 nuclear power plant, are considering a plan to remove spent fuel rods from storage pools at...
Photographic evidence of damage at Fukushima...
The ceiling and walls of the building housing the No. 1 reactor of the Fukushima No. 1 nuclear power plant collapsed. (Provided by the Ground Self-Defense Force)
Photographs released by the Defense Ministry offer graphic evidence of the damage to reactor buildings at the crippled Fukushima No. 1 nuclear power plant caused by the March...
Workers frantically try to restore power at nuclear ...
A fire engine of the Self-Defense Forces sprays water at the No. 3 reactor building of the Fukushima No. 1 nuclear power plant in Fukushima Prefecture on Friday. (Self-Defense Forces)
Work continued at a frenetic pace Saturday to restore electric power to the crippled Fukushima No. 1 nuclear power plant and prevent the nuclear crisis from deteriorating.
Radiation detected which 'clearly would affect...
Chief Cabinet Secretary Yukio Edano (The Asahi Shimbun)
Excerpts of Chief Cabinet Secretary Yukio Edano's statement, followed by a question-and-answer session, on the unfolding nuclear crisis at a Tuesday morning news conference...
No. 4 reactor poses more danger than other reactors
The Fukushima No. 1 nuclear power plant (Photo by Hiroyuki Yamamoto)
An explosion and fire at the pool containing spent fuel rods at the No. 4 reactor of the quake-stricken Fukushima No. 1 nuclear power plant Tuesday could prove more serious...
Nuclear crisis worsens; dangerous radiation levels...
(c) The Asahi Shimbun
The crisis at the No. 1 Fukushima nuclear power plant was quickly running out of control Tuesday, after two explosions, a fire and dangerous levels of radiation compounded the...
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