The April 20 earthquake off the Tohoku region caused minor injuries, rekindled haunting memories of the 2011 disaster and prompted the government to warn about a heightened risk of a catastrophic mega-quake.

A three-meter (9.8-foot) tsunami warning has been issued for Japan after a strong 7.4 magnitude earthquake struck off the northeastern coast, according to the Japan Meteorological Agency and the US Ge...

The quake, centred about 8km northwest of Ranau at a depth of 10km, may have caused light tremors in surrounding areas.