TOKYO , Japan ( CNN ) -- Three people were killed and at least 84 were injured Saturday morning when a magnitude 7.0 earthquake struck northeastern Japan , Japanese officials said . The quake struck at about 8:43 a.m. north of Sendai , Japan . Another five people were missing , national police said . Officials said the earthquake led to the buckling of highways and caused some bridges to collapse . Bullet trains were also stopped in the affected areas . Two nuclear power plants in the region were not affected , officials said . Cabinet Secretary Nobutaka Machimura said one man was killed when he was buried in a landslide in Fukushima Prefecture and the other was struck by a truck as he rushed out of his house in Iwate Prefecture . Officials have not yet released details of the third death . Prime Minister Yasuo Fukuda sent priority orders for rescue operations , Machimura said . The quake , which struck at about 8:43 a.m. ( 11:43 p.m. GMT Friday ) , was centered 100 km ( 60 miles ) north of Sendai in southern Iwate prefecture . The Japanese Meteorological Agency said several strong aftershocks followed the initial quake . The Iwate government office said it had received reports that eight children and a teacher were injured by breaking windows at a preschool and that the earthquake produced landslides in some areas . The Miyagi fire department said there had been some injuries caused by falling furniture , and some bus passengers were injured when the vehicle bounced on a bridge . Two houses collapsed , the fire department said . East Japan Railway suspended Shinkansen bullet trains in the Tohoku region , and many other train lines in the region suspended operation as well . Expressways in Miyagi were also closed . Tokyo Electric Power Co. said that operations at nuclear power plants in Fukushima prefecture were not affected , Kyodo said . There were no tsunami warnings issued after the quake . Local governments , fire departments and police were working to gather damage reports . CNN 's Junko Ogura and Yoko Wakatsuki contributed to this report .
Three people dead , at least 84 injured after earthquake hits Japan . U.S. Geological Survey reports 7.0 magnitude quake on Japanese island of Honshu . Quake struck at around 8:43 a.m. Saturday .