Tokyo [Japan], Nov. 22 : Tsunami waves were observed following a 7.4 magnitude earthquake that hit northeastern Japan's Fukushima on Tuesday, a weather agency said.

Two persons have been slightly injured by the Tsunami waves.

According to the Japan Meteorological Agency, the earthquake registered lower 5 on the Japanese seismic scale of 7 in northeastern Fukushima prefecture.

The weather agency issued Tsunami evacuation orders in areas including Fukushima, Miyagi, Iwate, Aomori as the first wave of tsunami hit the coastline 20 km east of Iwaki city in Fukushima prefecture, reports Xinhua news agency.

Tidal waves of up to 3 meters and 1 meter for other parts of the coastline facing the Pacific has been warned by the weather agency.

The weather agency said, the epicentre of the earthquake was at latitude of 37.3 degrees north and a longitude of 141.6 degrees east and occurred at depth of 10 km.

A nuclear fuel cooling facility stopped operating temporarily at Fukushima Daini nuclear power plant's No. 3 reactor building. (ANI)