International nuclear experts assess safety issues stemming from Fukushima Daiichi . The larger waves that impacted this facility on that day were estimated to be larger than 14 meters ( 46 feet ) high , '' the report said , referring to the plant 's owners , Tokyo Electric Power Co. `` The tsunami waves reached areas deep within units causing the loss of all power sources except for one emergency diesel generator ... with no other significant power source available on or off the site , and little hope of outside assistance . '' The nuclear power plant was crippled after the March 11 earthquake and tsunami . Hide Caption 1 of 12 Photos:Nuclear disaster : The team of experts praise `` brave and sometimes novel efforts '' by the plant 's staff .
International nuclear experts assess safety issues stemming from Fukushima Daiichi . The nuclear power plant was crippled after the March 11 earthquake and tsunami . Hide Caption 1 of 12 Photos:Nuclear disaster: The team of experts praise `` brave and sometimes novel efforts '' by the plant 's staff .