The 9.0 magnitude earthquake which hit north Japan on March 11 was the most devastating in the country’s history, causing a massive tsunami and killing more than 15,000 people. We analyse the impact on electronics manufacturing, the global supply chain, nuclear sector, energy supply, social media and cyber security, as well as giving you the latest updates on the Fukushima nuclear power plant.
Selected japanquake news
Japan's crippled Fukushima nuclear plant halted cooling of a spent fuel pool at the site this week to remove two dead rats.
A Japanese court has rejected a petition to close down the country's only two operating nuclear reactors
Japan's Fukushima Daiichi nuclear power plant lost the ability to cool radioactive fuel rods for about three hours on Friday.
Tokyo Electric Power Co lost power used for cooling spent uranium fuel rods at its Fukushima Daiichi nuclear plant.
French energy group Areva said it was preparing to send nuclear fuel to Japan for the first time since the Fukushima disaster.
The operator of a Japanese nuclear power plant that blew up last year admitted its lack of safety was behind the disaster
An earthquake off northeastern Japan has triggered a one-metre tsunami in an area devastated by last year's Fukushima disaster.
Japan's new nuclear regulator will impose tighter safety standards for atomic plants, its head said.
Japan intends to stop using nuclear power by the 2030s, the government says.
Deadlock in Japan between anti-nuclear activists and advocates of nuclear power deepened on Monday.
Japan's government is stressing the negative impact of ending nuclear power quickly as it nears a decision on a new energy mix.
Japan is scheduled to set national energy policy early next week, Economics Minister Motohisa Furukawa has said.
Tepco hesitated to use corrosive seawater to cool the No. 2 reactor at the Fukushima plant, newly released video shows.
Fukushima residents have told Japanese government officials at a public hearing on energy policy to get out of nuclear power and do it fast.
An inquiry into the Fukushima nuclear crisis has raised doubts over the effectiveness of new safety rules at atomic plants.
The United Arab Emirates has given the go ahead for construction work to begin on the country's first nuclear power plant.
Japan will restart its second nuclear reactor after the Fukushima crisis closed the nation's atomic power plants.
Independent regulators must take more of a role in communicating the risks of nuclear power and shale gas, a report has said.
Japan’s Ohi nuclear plant has restarted operations at a reactor, marking the first reactor to be restarted since last year’s Fukushima disaster.
Shareholders of Kansai Electric Power Co and Tokyo Electric Power Co (Tepco) have voted to stick with nuclear power.
Japan’s Ohi nuclear reactors need to be restarted to protect the economy and livelihoods, the country’s prime minister says.
Japanese nuclear reactors which have had their safety confirmed need to be restarted, Japan’s Prime Minister said on Wednesday.
Japan will take over Tokyo Electric Power Co, the owner of the Fukushima nuclear plant, after the country’s trade minister approved a $12.5 billion capital injection.
Japan will shut down its last working nuclear power reactor this weekend just over a year after a tsunami scarred the nation.
Nearly three-quarters of Japanese firms want safety guaranteed before idled nuclear reactors in Japan are restarted.
Japan has declared two idled nuclear reactors operated by Kansai Electric Power Co safe and agreed for them to be restarted.
Japan’s trade minister says more time is needed to decide whether to restart two offline reactors at the Ohi nuclear plant.
Entry ban on some cities in Fukushima prefecture will be lifted, Japan’s government said on Friday.
Japan’s Trade Minister says the country’s nuclear regulator may have contributed to the Fukushima nuclear disaster by rejecting global standards for disaster response.
Global use of nuclear energy could increase by as much as 100 per cent in the next two decades, a U.N. report says.
The safety of Kansai Electric Power Co’s two nuclear reactors will be assessed by Japanese ministers as early as this month, media have reported.
A poll by the Asahi newspaper in Japan has shown that a majority of Japanese oppose a restart of nuclear power plants currently shut for maintenance.
Japan has marked a year since an earthquake and tsunami killed thousands and triggered the world’s worst nuclear crisis since Chernobyl.
Japan foresaw the possibility of a meltdown at the Fukushima nuclear power plant hours after a huge tsunami smashed into it.
Japan’s Trade Minister says it is possible none of the country’s nuclear reactors will resume operations this summer when electricity demand peaks.
Japan's nuclear watchdog has postponed the completion of its review on stress tests on the first pair of dozens of idled reactors.
Fukushima’s No.4 reactor has leaked more than eight tonnes of radioactive water but the utility’s owner says none of it has reached outside the reactor building.
The UN nuclear agency endorsed tests designed to show Japanese nuclear plants could withstand a repeat of last year's earthquake and tsunami on Tuesday.
Japan’s Fukushima plant has leaked more than 600 litres of water, forcing it to briefly suspend cooling operations at a spent-fuel pond at the weekend.
Japan will be able to avoid power cuts this summer even if the nation's last few nuclear reactors cease operating.
Researchers say a major earthquake is far more likely to hit Tokyo in the next few years than the government estimates.
Japan's plans to restart nuclear reactors and let them operate for up to 60 years has sparked public anger.
Japan will allow nuclear reactors to operate for up to 60 years in revised regulations on power plant operators.
Japan’s nuclear reactors will be limited to a 40-year life, allowing extensions only under stringent conditions, under new plans to be submitted to parliament.
Japan’s government has released plans for the next clean-up phase of Fukushima, and says decommissioning the plant could take three or four decades
Japan’s Fukushima nuclear power plant has reached a 'cold shutdown', Prime Minister Yoshihiko Noda says.
Residents outside the Fukushima exclusion zone were likely to have been exposed to radiation in the aftermath of the earthquake.
Fukushima nuclear plant operator, Tokyo Electric Power (Tepco), has scrapped a plan to dump water it treated for radiation contamination into the sea.
Kansai Electric Power Company’s Mihama No.2 nuclear reactor is being manually shut as a safety precaution.
World nuclear power generation could fall by up to 15 per cent by 2035 following the Fukushima disaster.
Tokyo Electric Power Co has said it has found substances in a Fukushima reactor which could be due to nuclear fission.
Japan’s Atomic Energy Commission says it is likely to take more than 30 years to dismantle the Fukushima Daiichi nuclear power plant.
Japan has not ruled out the possibility of complete closure of its nuclear power stations as one option for the country's future energy policy, Minister Yukio Edano says.
Japanese cities are facing the problem of accumulating piles of radioactive ash due to the tsunami-hit Fukushima Daiichi plant.
Japan must avoid being "over-conservative" in decontaminating areas affected by radiation from the Fukushima disaster.
A radiation hotspot in Tokyo has been attributed to mystery bottles stored under a house rather than the Fukushima nuclear plant.
The Tokaimura nuclear reactor 110km northeast of Tokyo must be decommissioned, the regional mayor has urged.
A review of the UK’s nuclear industry after Fukushima says there is no reason to curtail nuclear operations in Britain.
UN nuclear experts will travel to Japan this week to help with the clean-up from the Fukushima nuclear crisis in March.
Japan Prime Minister Yoshihiko Noda’s month-old government began a debate on Japan’s energy policy on Monday.
Japan must dispose of 29 million cubic metres of contaminated soil after the Fukushima nuclear crisis.
Japan typoon Roke has left six people dead and six missing, but has not had a major impact on the Fukushima nuclear plant.
A nuclear safety action plan post-Fukushima has been backed by the U.N. nuclear agency's 151 member states.
Japan aims to have the Fukushima plant nuclear reactors in 'cold shutdown' by the end of the year, a top government official says.
A U.N. nuclear safety action plan has been described as "weakened" by diplomats looking for strong measures.
Tokyo Electric Power Co has warned the tsunami-hit Fukushima nuclear plant may not achieve "cold shutdown" by January.
Japan's Hokkaido Electric Power Co has been given local approval for commercial operation of its Tomari nuclear reactor.
Japan is to set up a new nuclear safety watchdog under the Environment Ministry, the government has confirmed.
The UN atomic agency has outlined a series of measures in a draft action plan to help improve global nuclear safety.
Japan’s ruling Democratic Party has reached a broad agreement with the main opposition parties to pass a renewable energy bill.
Japan will replace three senior officials in charge of nuclear power policy, the minister overseeing energy policy says.
Japan is to unveil plans for a new atomic safety regulator which is expected to enforce tougher nuclear safety standards.
Japan could have a power shortage of 9.2 per cent next summer if all of its nuclear reactors are shut.
Japan’s government says it’s on track with efforts to take control of the Fukushima plant but a final clean-up could take years.
Japan will make nuclear "stress tests" a mandatory part of safety checks following the Fukushima Daiichi disaster.
Japan must decrease its reliance on nuclear power, prime minister Naoto Kan has said.
Japan’s idled nuclear reactors could restart work if they pass the first stage of two-step post-Fukushima safety checks.
A Japanese nuclear power plant has come under fire for trying to sway the outcome of a public forum on atomic safety.
Attempts to reassure the Japanese public on nuclear power by ordering stress tests on reactors have backfired.
Japan is considering stress tests on its nuclear reactors to ease safety fears after the Fukushima disaster.
New car sales in Japan fell by more than a fifth last month as the supply chain disruption from the earthquake continued.
Japan has moved closer to getting local governments’ approval to restart nuclear reactors after March’s quake and tsunami.
Tokyo Electric Power Co has won institutional shareholder backing to keep its nuclear reactors.
About 15 tonnes of water with a low level of radiation have leaked from the earthquake-damaged Fukushima Daiichi plant.
Reducing nuclear output to zero after the Fukushima disaster would cause major damage to Japan's economy.
Japan's Fukushima plant could spill more radioactive water into the sea unless a glitch in the cleanup system is fixed.
Japan has launched a large-scale radiation survey in an attempt to reassure the public following leaks at the Fukushima plant.
Italians have voted to ban nuclear energy for decades in a referendum that was strongly influenced by Japan’s disaster.
Tokyo’s local government staff started work early today to save power after shortages caused by Japan’s damaged nuclear network.
More radioactive water could be spilled into the ocean from the earthquake-hit Fukushima nuclear plant, Tepco has warned.
UN inspectors have criticised Japan for under-estimating the threat of a tsunami on its crippled nuclear plant, but praised its overall response to the crisis as exemplary.
A damaged gas cylinder was the source of a loud bang outside a reactor building at the Fukushima Daiichi nuclear plant.
Honda’s Swindon plant will not return to full production until September after it was hit by the effects of the Japan earthquake.
Toshiba plans to increase focus on renewables after the Fukushima crisis resulted in setbacks to its nuclear sales.
Fuel rods inside three of Fukushima Daiichi’s reactors melted early in the nuclear crisis, TEPCO says.
Sony is facing its third annual loss following the Japan earthquake and high-profile network security breaches.
Japanese workers have entered the third reactor building hit by nuclear fuel meltdowns at the Fukushima Daiichi plant.
The International Atomic Energy Agency (IAEA) is sending a fact-finding mission to Japan to assess the nuclear crisis.
Japan’s Fukushima Daiichi operator is studying whether reactors were damaged in the March 11 quake even before the tsunami.
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