Tokyo: An earthquake with a preliminary magnitude of 7.4 struck northeastern Japan's Fukushima on Tuesday, a weather agency said, while tsunami waves were observed in the area and two persons were injured. The quake registered lower five on the Japanese seismic scale of seven in northeastern Fukushima prefecture, Xinhua quoted the Japan Meteorological Agency as saying.

Tsunami evacuation orders were issued in areas including Fukushima, Miyagi, Iwate, Aomori by the weather agency, as the first wave of tsunami was observed at coastline 20 km east of Iwaki city in Fukushima prefecture and then 1.4-metre tsunami were observed in Sendai in northeastern Miyagi prefecture after the quake.