This transcript has been automatically generated and may not be 100% accurate.

... a ... strong aftershock rattled Japan ... one month after a massive quake and tsunami left nearly twenty eight thousand people dead or missing ... Monday's magnitude seven point one tremor shook buildings in Tokyo when much of northeastern Japan triggering a tsunami alert that was later lifted ... the U S Geological survey said the aftershock struck twenty four miles west of the city of the walking ... the depth of the miles ... operators at the crippled Fukushima nuclear power plants of the quake up the offsite power supply for two damaged reactors ... and forced the evacuation of workers from the plant ... the Hauer was again restored less than an hour later ... Japan's nuclear safety agency said the pumping of water into three reactors to cool them was halted for about fifteen minutes ... it is on likely to have any impact on safety ... the latest aftershock comes as Japan expanded the evacuation zone around the plants due to higher levels of accumulated radiation ... meaning more people will need to be evacuated ... officials said the evacuation decision was based on the accumulated radiation ... was not necessarily effective immediately ... and the president should leave the area within a month ... Travis Sprecher ... Reuters ...