A magnitude 6.1 quake struck off Aomori in northern Japan on Tuesday, the nationwide climate company mentioned, however no tsunami warning was issued. The quake hit at 6:18 pm (0918 GMT) at a depth of 20 kilometres (12 miles), based on the Japan Meteorological Company.
The US Geological Survey put the magnitude of the quake at 6.2.
Earthquakes are frequent in Japan, which sits on the Pacific “Ring of Fireplace”, an arc of intense seismic exercise that stretches by way of Southeast Asia and throughout the Pacific basin.
The nation has strict development rules meant to make sure buildings can stand up to robust earthquakes, and emergency drills are routinely held to organize for a significant jolt.