The Japan Meteorological Agency (JMA) says the initial quake, recorded at 5.59am, has been revised up to magnitude 7.4. A tsunami alert has been issued, centring on Fukushima. There is also a warning that landslides may occur.
The tide level is still rising along the coast, with waves as high as 1m now reaching the shore. Residents are being instructed to stay away from the water. Residents of Japan’s northern Pacific coast are still being told to leave their homes and seek higher ground via televised tsunami advisories.
Fukishima cooling system has stopped operating. NHK reports from Fukishima that the Fukushima Daini Reactor 3 cooling system has stopped operating, but “no abnormalities have been observed”.
Tepco, the Tokyo Electric Power Company, says cooling water has not leaked and it is preparing to resume operation within one to two hours.
Broadcaster NHK reports that it does not seem tanks have been affected by the quake and the power plant buildings are above water level.
New tsunami warning for Miyagi prefecture. A tsunami warning has now been issued for the Miyagi prefecture, expanding the zone believed to be under threat. Residents are told to evacuate their homes for higher ground.
Guardian, NHK World Japan & Lunar Meteorite Hunters