Japan on high alert for 'huge' second quake after issuing tsunami warning

Japan's meteorological agency warns another, stronger earthquake may hit in the next week,

Following a 7.7-magnitude earthquake off northern Japan, authorities have raised the probability of a mega-quake from 0.1% to 1% over the next week, urging residents in 182 coastal towns to prepare.

A 7.4 magnitude earthquake struck off northern Japan, prompting a tsunami warning for waves up to three meters, with authorities urging residents to seek higher ground.

A 7.4 magnitude earthquake off Japan's northern coast led to a tsunami warning, with authorities advising residents to evacuate inland to higher ground.

A powerful earthquake off Japan's northern coast led to a tsunami alert, with authorities urging residents to move to higher ground.

A 7.5-magnitude earthquake struck off Japan's northern coast, triggering tsunami warnings and prompting residents to seek higher ground.