A magnitude 7.6 quake hit Japan's northern coast on Monday (Dec 8), triggering a tsunami warning for Hokkaido, Aomori and Iwate prefectures. The quake struck off Misawa on Japan's Pacific coast at a depth of 53km, the United States Geological Survey said. The Japan Meteorological Agency issued a tsunami warning, with the first wave hitting a port in the northern region of Aomori, where Misawa is located, at 11.43pm. At 11.50pm, another wave reached Urakawa town in the Hokkaido region, the agency