NEW : three people were killed and 6.6-magnitude injured in Monday 's quake . It was centered about 77 miles east-southeast of Japan . Monday 's 6.6-magnitude quake triggers several landslides in Iwaki . The government wants to handle the immediate emergency before holding a news conference , the office said . The earlier quake prompted workers at the Fukushima plant to evacuate briefly .
NEW : three people were killed and 6.6-magnitude injured in Monday 's quake . It was centered about 77 miles east-southeast of Japan . Monday 's 6.6-magnitude quake triggers several landslides in Iwaki . The earlier quake prompted workers at the Fukushima plant to evacuate briefly .