Magnitude 7 earthquake hits northern Japan, triggering small tsunami

A magnitude 7 earthquake hit northern Japan on Thursday morning, triggering a small tsunami that apparently caused no damage, Japan's Meteorological Agency said. There were no immediate reports of injuries. The agency said the quake hit at 9:21 a.m. (0021 GMT) off the eastern coast Hokkaido, Japan's northernmost island at a depth of about 20 kilometers. A 10 centimeter tsunami rippled at the shore about 35 minutes after the quake.