residents flee some coastal areas
A powerful earthquake has struck central Japan, destroying buildings, knocking out power to tens of thousands of homes and prompting residents in some coastal areas to flee to higher ground.
The quake with a preliminary magnitude of 7.6 triggered waves of about 1m (3 feet) along Japan west coast and neighbouring South Korea on Monday, with authorities saying larger waves could follow.
Media reports said two people were feared dead after the 7.5-magnitude quake struck Ishikawa prefecture on the Sea of Japan side of the main island of Honshu at 4:10 pm (0710 GMT), according to the US Geological Survey (USGS).
Japanese authorities put the magnitude at 7.6 and said that it was one of more than 50 quakes of 3.2 magnitude or more to rock the region on the New Year Day holiday -- when families get together and visit shrines -- over several hours.
Television channels interrupted normal services with special programming including of Prime Minister Fumio Kishida urging people in danger areas to "evacuate as soon as possible" to higher ground.