“Now the self-defense forces are assessing the scale of the damage and are in a state of full readiness to react if there are appeals from the field,” RIA Novosti quotes him.
He also added that so far the authorities are aware of one destruction and one fire as a result of tremors.
Kato also added that high-speed trains were stopped at a number of sections in northeastern Japan, communication was interrupted on some sections of roads.
On February 13, an earthquake with a magnitude of 7.1 struck Japan.
As a result of the incident, at least 30 people were injured.