A strong 6.2 magnitude earthquake struck on Sunday off the east coast of Japan but there was no damage or injuries, officials said.
The quake hit off the east coast of Fukushima prefecture in the north of Japan's main island of Honshu, meteorologists said.
There is no possibility of a tsunami, although there might be "slight sea level changes" due to the earthquake, the Japan Meteorological Agency
A Fukushima police official said there were no reports of damage or injuries.
The earthquake struck at 6:17 pm (0917 GMT) and the epicentre "was at a very shallow level," the agency said.
Around 20 percent of the world's most powerful earthquakes strike Japan.
A 7.2-magnitude quake hit northern Honshu in June, leaving 23 people dead or missing.