Officials acknowledged that multiple seismometers had failed several months ago, and hadn't been repaired since.
There was a drop in water levels in the Unit 1 and 3 reactors indicating that the existing damage to their primary containment chambers was worsened.
Japan court acquits 3 ex-Tokyo Electric Power Company execs in case of professional negligence over 2011 Fukushima nuclear disaster
A Japanese court on Thursday acquitted three former power company executives of professional negligence in the only criminal prosecution stemming from the 2011 Fukushima nuclear meltdown
Critics though say the government has done too little to push renewable energy as a viable option.
Japanese company TEPCO to decommission Fukushima nuclear plant, plans on dismantling all 10 reactors
Tokyo Electric Power Company responsible for meltdowns at a nuclear power plant in Japan seven years ago said it might decommission a plant in Fukushima that narrowly escaped the crisis
Fukushima operator TEPCO releases fresh images of reactor wreckage; broken parts, debris that could be melted fuel seen
The operator of Fukushima's crippled nuclear power plant has released fresh images of the wreckage inside a damaged reactor, showing broken metal parts and debris
Science battles human fears as Japan fails to reach consensus on dealing with radioactive water at Fukushima
Many people believe the water is stored because it’s not safe to release, and they think Fukushima fish is not available because it’s not safe to eat.
A Japanese court ruled on Friday that the plant operator not the government was responsible for the 2011 Fukushima nuclear disaster, ordering the former to pay damages.
Fukushima trial: Ex-bosses of Tokya Electric Power to face criminal court over Japan's 2011 nuclear crisis
Three former executives at the operator of Japan's Fukushima nuclear plant went on trial on Friday, the only people ever to face a criminal court in connection with the 2011 meltdowns that left swathes of countryside uninhabitable
Japanese authorities sent a robot to the Fukushima nuclear plant on Tuesday to measure radiation levels inside and evaluate its condition ahead of a future dismantling of a reactor.
Robot death at Fukushima: Bots sent to repair damage at nuclear power plant got their circuits destroyed
Japan on Friday marked the fifth anniversary of the Fukushima nuclear power plant disaster. Robots sent into repair the site are ‘dying’ – as soon as the robots get close to the damaged reactors, their circuits get destroyed because of the radiation.
After battling radioactive water leaks for five years at Fukushima Dai-Ichi nuclear plant, the utility says it will need another four to finish the job.
Three former Japanese utility executives were formally charged on Monday with negligence in the Fukushima nuclear disaster, becoming the first officials from the company to face a criminal trial.
More than three years into the massive cleanup of Japan's tsunami-damaged nuclear power plant, only a tiny fraction of the workers are focused on key tasks such as preparing for the dismantling of the broken reactors and removing radioactive fuel rods.
Workers employed in decommissioning the crippled Fukushima nuclear power plant are to sue operator Tokyo Electric Power and some subcontractors, demanding millions of yen in unpaid danger money, their lawyer said on Wednesday.
The operator of Japan's crippled Fukushima nuclear plant today unveiled a plan to dump scrubbed water directly into the ocean, sparking concerns over whether it would be properly decontaminated.
Furious shareholders of the company that runs Japan's crippled Fukushima nuclear power station joined campaigners today to demand the permanent closure of the utility's atomic plants as it held its annual meeting.
Japan will on Monday start constructing an underground ice wall at the crippled Fukushima nuclear plant, freezing the soil under broken reactors to slow the build-up of radioactive water, officials said.
This is the method it plans to start using to reduce the alarming accumulation of contaminated liquid in the plant.
Workers started removing radioactive fuel rods Monday from a reactor building at the crippled Fukushima Dai-Ichi nuclear power plant.