KEY POINTS:
TOKYO - An earthquake with a preliminary magnitude of 6 jolted a tiny island about 500 km south of Tokyo today, a Japanese government agency said.
The quake, at 9:57 (NZT 1.57pm), was felt in the capital and areas further north.
The epicentre of the tremor was near the island of Torishima and its depth about 50 km, the Japan Meteorological Agency said on its website.
There were no immediate reports of injuries or damage and no tsunami warning was issued.
- REUTERS