A powerful 7.5-magnitude earthquake sent shockwaves through Hokkaido and Tohoku, plunging Japan into a night of chaos, freezing evacuations and viral footage that captured the raw force of the tremor. Buildings swayed violently, windows exploded, fishtanks toppled and water poured from high-rise floors as terrified residents rushed into the cold streets. At least 33 people have been injured, with cars plunging from elevated spots and multiple structures reporting damage amid ongoing aftershocks. The Japan Meteorological Agency issued a megaquake alert, warning of heightened seismic risk along the Pacific coast from Hokkaido down to Chiba. WATCH