An earthquake with a preliminary magnitude of 5.9 hit eastern Japan on Wednesday, but no tsunami warning was issued, public broadcaster NHK said.
There were no immediate reports of damages or injuries.
The Japanese Meteorological Agency (JMA) earlier put the magnitude at 6.3 and reports the quake had a depth of 10km.
Reuters reports that no tsunami warning has been issued as a result of the quake.
NO TSUNAMI WARNING ISSUED AFTER #JAPAN EARTHQUAKE
— TR_Foundation News (@AlertNet) December 28, 2016
The epicenter was reported as Ibaraki Prefecture in central Japan, about 170 kilometers north of the capital Tokyo, and near the town of Daigo. The prefecture has a population of about three million people.
A statement released by the office of Prime Minister Shinzo Abe reassured citizens that countermeasures are in place to deal with the fallout of the earthquake, and he encouraged people to report damage to the authorities.