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WORLD
December 18, 2011 | John M. Glionna
Hajime Shiraishi's moment of truth came when her online video news show, at the time relatively unknown, decided to buck the government line and call a story as it saw it. On March 11, after an earthquake-driven tsunami damaged the Fukushima Daiichi nuclear power plant, the world waited anxiously to see how its fragile reactors would fare. Later that day, plant operator Tokyo Electric Power Co., or Tepco, announced on national TV that all was well: The utility was on top of the accident.
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SCIENCE
March 12, 2011 | By Thomas H. Maugh II, Los Angeles Times
Another nuclear reactor at the Fukushima No. 1 facility in Japan has lost its emergency cooling capacity, according to the Associated Press, bringing to three the number of reactors at that facility to fall prey to Friday's magnitude 8.9 earthquake and tsunami. Added to failure of three reactors at Fukushima No. 2, the count is now six overall. So far, the only reactor that seems to pose an immediate risk of widespread danger is one of the two shut-down reactors at Fukushima No. 1, also known as Fukushima Daiichi, which was disabled by an explosion overnight that destroyed the building housing the reactor and the backup cooling system.
WORLD
March 17, 2011 | By Molly Hennessy-Fiske, Los Angeles Times Staff Writer
Who are the "Fukushima 50" -- the workers trying to take regain control of Japan's stricken Fukushima Daiichi nuclear power plant? Twitter messages and blog posts by the workers' families offer an inkling of the "Fukushima 50," so nicknamed because the 180 employees at the site work in 50-person shifts. One of the workers is a veteran power plant worker, a 59-year-old who volunteered to take on the assignment, according to Jiji Press, a Japanese news wire service, quoting a woman who claimed to be his daughter on Twitter.
SCIENCE
March 13, 2011 | By Thomas H. Maugh II, Los Angeles Times
Japanese officials have begun pumping seawater into a second nuclear reactor at the Fukushima No. 1 power plant 140 miles north of Tokyo to cool the reactor core in a last-ditch effort to stave off a core meltdown. The action indicates that the reactor's normal backup cooling system has failed and is no longer able to supply fresh water to the core. Officials at Tokyo Electric Power Co., which owns the plant, have been struggling to keep six shut-down nuclear reactors cooled because seawater from the tsunami that followed Friday's magnitude 9.0 earthquake damaged the diesel generators that power the circulating pumps.
WORLD
March 15, 2011 | By Kenji Hall and Carol J. Williams, Times Staff Writers
Another fire at Japan's stricken Fukushima No. 1 (Daiichi) nuclear power complex broke out early Wednesday and authorities said about 70% of another reactor's fuel rods had been damaged by the spate of accidents and breakdowns since Friday's earthquake and tsunami. The ominous disclosure, after authorities insisted throughout the previous day that damage to the overheating reactors was negligible, compounded a sense of escalating hazards and fear five days after the disasters expected to take historic peacetime tolls on Japan's people and economy.
WORLD
March 23, 2011 | By Julie Makinen and Don Lee, Los Angeles Times
[Update 12:47 a.m.] Tokyo's utility company says black smoke has been seen emerging from Unit 3 of the crippled nuclear plant in northeastern Japan, prompting a new evacuation of the complex. Officials with Tokyo Electric Power Co. said Wednesday that workers from the entire Fukushima Dai-ichi plant have been temporarily evacuated. _________________ Control room lights were on and electronic thermometers were functioning Wednesday at several of Japan's stricken nuclear reactors, marking small but potentially critical steps toward controlling overheated fuel that has been spewing radiation for more than a week.
WORLD
April 12, 2011 | By Kenji Hall and John M. Glionna, Los Angeles Times
Japanese nuclear regulatory officials Tuesday raised the severity rating at the earthquake- and tsunami-damaged Fukushima Daiichi power plant to the highest level by international standards, equaling the 1986 Chernobyl meltdown in the former Soviet Union. The country's Nuclear and Industrial Safety Agency announced that because of the amount of radioactive material released from the plant after the magnitude 9 earthquake a month ago, the rating would be changed to level 7, a "major accident" on the International Atomic Energy Agency's scale, up from a level 5, an "accident with wider consequences.
SCIENCE
March 14, 2011 | By Thomas H. Maugh II, Los Angeles Times
The fuel rods at a third nuclear reactor at the Fukushima No. 1 nuclear power plant have been fully exposed to air for short periods of time and at least partially exposed for more than three hours, allowing them to heat up and sharply raising the risk of a meltdown, according to officials of the Tokyo Electric Power Co., which owns the plant. The cooling problems at reactor No. 2 represent the most serious development in the ongoing problems at the nuclear power plant to date, according to nuclear specialist Edwin Lyman of the Union of Concerned Scientists.
WORLD
March 27, 2011 | By Julie Makinen and Kenji Hall, Los Angeles Times
For the better part of Sunday, media outlets in Japan and around the world carried scary-sounding news about radiation at the stricken Fukushima nuclear plant's No. 2 reactor. In a typical report, Japanese broadcaster NHK said: "Power company says it has detected radioactive materials 10 million times normal levels. " After nightfall came the mea culpa. There was a "mistake in the measurement of the assessment" of radiation in a building near the reactor, Tokyo Electric Power Co. said on its website.
WORLD
March 18, 2011 | By Laura King, Kenji Hall and Mark Magnier, Los Angeles Times
Fighting exhaustion and radiation fears, engineers struggled anew Saturday to complete the crucial task of hooking up a damaged nuclear plant to the electricity grid to help cool damaged reactors. The official count of dead and missing in the quake and tsunami soared above 17,000, making this Japan's worst disaster since World War II. In the earthquake zone, tears trickled down the cheeks of some survivors and rescue workers as a solemn moment of silence was observed at 2:46 p.m. Friday, marking a week since the magnitude 9 temblor slammed Japan's northeastern coast.
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