An earthquake with a preliminary magnitude of 6.0 jolted Japan's central Niigata prefecture on January 9, the country's weather agency said, Ednews informs referring to Xinhua.
The quake occurred at 5:59 pm. local time with the epicenter near Sado Island off Niigata at a depth of 10 km, measuring 5 Lower on the country's seismic scale of 7, the Japan Meteorological Agency (JMA) said.
No tsunami warnings were issued.