Japan earthquake: 23 injured after magnitude 7.5 quake; tsunami warning lifted

At least 23 people were injured after a powerful magnitude 7.5 earthquake struck off northern Japan late Monday and triggered a tsunami in Pacific coast communities, officials said. Authorities warned of possible aftershocks and an increased risk of a megaquake. The quake hit at about 11:15 p.m. in the Pacific Ocean, around 80 kilometres off the coast of Aomori, the northernmost prefecture on Honshu, and prompted a tsunami warning. The US Geological Survey reported second earthquake of magnitude 5.1 early on Tuesday, about 122 kilometres south of Honcho at a depth of 35 kilometres. The Japan Meteorological Agency issued a tsunami warning, with one wave hitting a port in the northern region of Aomori, where Misawa is located. Several more waves reached the coast, measuring up t