Japan tsunami warnings downgraded as people describe 'low rumbling' as earthquake hit
www.bbc.co.uk
A 7.7-magnitude earthquake struck off the country's north-east, prompting a 40cm tsunami in Iwate prefecture.

  • Japanese authorities have issued a tsunami warning after a powerful earthquake struck the country’s north-east coast

  • The earthquake had a preliminary magnitude of 7.9, according to the Japan Meteorological Agency

  • The quake was felt in Tokyo, hundreds of kilometres away, AFP news agency reports