One month after the March 11 quake that triggered a tsunami and damaged the Fukushima Daiichi nuclear power plant, Japanese authorities say they're still crafting plan to end the nuclear crisis.
The 1986 Chernobyl accident was far worse than Fukushima has been. But the issues it raises are the same -- quality of industrial design, the potential for human error, the threat of natural disaster, and the disposal of long-term radioactive waste.
According to the IAEA's scale, the Fukushima crisis in Japan is now a 7, the most severe rating and equal with Chernobyl. But experts say the scale is deeply flawed.
Based on new estimates of the radiation that has been released, Fukushima now has the worst score on the IAEA's accident rating scale. But much about the reactors, and their future, is still unknown.
Japan's prime minister is urging the public not to panic after the government boosted the severity level of the crisis at Fukushima to the highest rating, the same level as the 1986 Chernobyl disaster.
Experts warn that Fukushima should sound an alarm on the safety and security dangers inherent in the spread of civilian nuclear fuels and the proliferation of nuclear technology.
Radiation 'hot spots' beyond the existing Fukushima evacuation zone spur Japanese officials to order more areas to be emptied. Residents are being given a month to leave.
The 200 Radnet stations that have been sniffing the air since the 1970s say Fukushima radiation in US is quite low.
One month after the March 11 quake that triggered a tsunami and damaged the Fukushima nuclear power plant, Japanese observed a moment of silence. A 6.6 temblor shook Japan again.
7.1 earthquake: The new tremor late Thursday threw even more areas into disarray and sent communities that had made some gains back to square one.