There were no casualties in either
of the quakes that hit Japan
There were no immediate reports of damage or injury in Wednesday’s tremor.
The epicentre of the most recent quake was located off the coast of Miyagi prefecture, about 400 km northeast of Tokyo.
The tremor was about 70 km deep, the same as the 7.0 magnitude quake felt on Monday evening.
Monday’s quake injured more than 100 people, damaged property and triggered landslides.
As many as 274 aftershocks had occurred by 0000 GMT on Wednesday and 124 of them could be felt by humans.