A powerful 7.5 magnitude earthquake struck northeastern and northern Japan, prompting a tsunami warning for the Pacific coasts of Hokkaido, Aomori, and Iwate prefectures. Tsunami waves of up to 3 meters were forecast, and residents were urged to evacuate to higher ground. No abnormalities were reported at nuclear plants.
The quake struck on Tuesday morning at about 06:00 local time (2:30 am IST on Tuesday), the Japan Meteorological Agency said, adding that the epicentre of the quake, which was felt in Tokyo, was off the coast of Fukushima prefecture at a depth of about 25km, the agency said.