Power to cooling pumps at Fukushima Daiichi units 1, 2 and 3 was disrupted for around fifty minutes after a new powerful aftershock. Power supplies to other reactors in the region were not affected. The government announced that it is considering expanding the evacuation zone around the plant.
Remote-controlled robots are being used to assess the conditions inside the damaged reactor buildings of units 1, 2 and 3 at the Fukushima Daiichi nuclear power plant..JPG "Fukushima - tsunami (Tepco)")
Efforts are being made to maintain the power supply and cooling functions at the damaged Fukushima Daiichi plant in the event that another strong earthquake and tsunami strikes the plant. The precautionary move comes as initial compensation payments are offered to evacuated nearby residents.
The ongoing radiological release from the Fukushima Daiichi nuclear power plant has led Japanese authorities to raise the rating of the accident there to Level 7..jpg "Fukushima devastation (Tepco)")
Two workers missing since the natural disasters of 11 March have now been found dead in the turbine building of Fukushima Daiichi unit 4..jpg "Concrete pumps being sent to Fukushima"){kind=small}
Four more concrete pumping trucks are on their way to the Fukushima Daiichi nuclear power plant to help the effort to maintain fuel ponds.
Tokyo Electric Power Company has revised the estimated size of the earthquake and tsunami that hit the Fukushima Daiichi nuclear power plant.
.jpg "Elena Buglova, March 2011 (IAEA) small")
Official notices of the accidents at the Fukushima nuclear power plants give insight into the challenges faced by power plant engineers in the aftermath of last week's natural disasters.