Strong quake jolts north-eastern Japan; no tsunami warning

TOKYO: A strong earthquake has rattled north-eastern Japan, leaving seven people injured. No tsunami warning was issued.

The U.S. Geological Survey says the magnitude-6.4 earthquake struck at 3.54 a.m. Sunday (1854 GMT Saturday) off the coast of Fukushima, a region struck by the March 11 massive quake and tsunami. The epicentre was 44 kilometres below the sea surface.

Plant operator Tokyo Electric Power Co. says the temblor caused no further damage to its Fukushima Daiichi nuclear power complex, which was crippled by the March disasters.

Seven people in nearby cities were injured mildly.