In the 1960s , ironworks , Steelmaking , cement , chemical industry , pulp , and petroleum refining industries began developing . The region is traditionally known as a less developed area of Japan . The catastrophic 9.0-Magnitude earthquake and tsunami on March 11 , 2011 , inflicted massive damage along the east coast of this region , killed 15,894 people and was the costliest natural disaster ever which left 500,000 people homeless along with radioactive fallout from the Fukushima Daiichi nuclear disaster
9.0-Magnitude earthquake and tsunami
2011 Tōhoku earthquake and tsunami
Tōhoku region