Massive earthquake hits Japan: Viral videos show panic, chaos; 'megaquake' alert issued

A powerful earthquake struck off northern Japan late on Monday, unleashing scenes of fear and confusion across several prefectures as buildings swayed, glass shattered and residents rushed into the freezing night. The Japan Meteorological Agency (JMA) confirmed the quake at magnitude 7.5, revised from an initial 7.6, and said it lasted long enough to send smartphone alarms blaring across Hokkaido and Tohoku.Also read: 23 injured after magnitude 7.5...