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WORLD
March 15, 2011 | By Laura King, Ralph Vartabedian and Thomas H. Maugh II, Los Angeles Times
Dangerous levels of radiation escaped a quake-stricken nuclear power plant after one reactor's steel containment structure was apparently breached by an explosion, and another reactor building in the same complex caught fire, Japan's leaders told a frightened population. Authorities warned that people within 20 miles of the crippled reactors should stay indoors to avoid being sickened by radiation. The fast-moving developments at the Fukushima No. 1 (Daiichi) plant, 150 miles north of Tokyo, catapulted the 4-day-old nuclear crisis to an entirely new level, threatening to overshadow even the massive damage and loss of life spawned by a devastating earthquake and tsunami.
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WORLD
March 22, 2011 | By Victoria Kim, Los Angeles Times
Radiation has been detected in seawater in areas surrounding the earthquake and tsunami-ravaged Fukushima nuclear plant in northeastern Japan, creating one more cause for concern after radiation was found in food items and tap water. Officials stressed that the levels -- which they said would have minuscule impact on the human body even if the seawater were ingested daily over a year -- were not cause for alarm. Tokyo Electric Power Company, which owns the plant, said it detected radioactive iodine-131 more than 125 times higher than the legal limit in a sample of ocean water found about 0.2 miles south of the Fukushima Daiichi plant on Monday, Kyodo News Agency reported.
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.
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.
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.
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 25, 2011 | By Julie Makinen, Los Angeles Times
As Japan marked two weeks since the giant earthquake and tsunami, the number of people dead or missing grew to more than 27,000, with at least 200,000 others in shelters and radioactivity from a stricken nuclear plant continuing to cast a pall over daily life. Two workers at the hobbled Fukushima Daiichi nuclear facility were hospitalized for radiation exposure Thursday after stepping into contaminated water during repair operations at reactor No. 3, officials at the nation's nuclear safety agency said.
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
Engineers are now pumping seawater laced with boron into two nuclear reactors at Japan's Fukushima No. 1 (Daiichi) power plant 150 miles north of Tokyo and are considering doing it at a third reactor in a last-ditch effort to stave off a meltdown that could release dangerous amounts of radioactivity into the environment. Hydrogen explosions have now occurred at two reactors at the facility. Here's a look at the engineers' efforts and what the potential consequences are, according to various experts.
SCIENCE
March 24, 2011 | By Ralph Vartabedian, Los Angeles Times
How did Japanese workers at the crippled Fukushima nuclear plant jury-rig fire hoses to cool damaged reactors? Is contaminated water from waste pools overflowing into the Pacific Ocean? Exactly who is the national incident commander? The answers to these and many other questions are unclear to U.S. nuclear scientists and policy experts, who say the quality and quantity of information coming out of Japan has left gaping holes in their understanding of the disaster nearly two weeks after it began.
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