The temblor occurred at around 12.12 p.m. local time at a depth of 50 km, measuring 4 on the Japanese seismic intensity scale of 7, the Japan Meteorological Agency said, adding that there was no threat of a tsunami, reported Xinhua news agency.

The epicentre was located off eastern Chiba prefecture at a latitude of 35.2 degrees north and a longitude of 140.5 degrees east.

Tremors were felt in all 23 wards of Tokyo, with no immediate reports of injuries or major damage.