A strong 6.1-magnitude earthquake struck off the northern coast of Japan’s main Honshu island on Saturday, seismologists said.

Bluefin tuna caught off the US coast have been found to contain radioactive material from Japan’s quake-struck Fukushima nuclear plant.

Experts in Japan have warned that the chances of a powerful earthquake striking Tokyo in the next four years could be as high as 70%.

Anti-nuclear protesters have taken to the streets of Tokyo and other cities to mark six months since the March earthquake and tsunami.

Joe Biden warned the world not to underestimate Japan and the US, saying the two countries are still Pacific powers and will overcome their problems.

Japan’s exports fell for the fifth month in July as the country contends with a strong yen and the ongoing impact of the March earthquake and tsunami.

Japan’s retail sales rose in June, marking the first gain since a devastating March quake and tsunami in another signal of recovery in the country.

Tokyo has formally announced its bid to host the 2020 Olympics as symbol of determination to recover from the devastating March 11 double disaster.

Japan’s economy plunged back into recession in January to March, contracting sharply on the impact of the nation’s biggest recorded earthquake.

Toyota will be able to boost its United States production sooner than expected following a devastating Japanese quake and tsunami.

Japan’s domestic sales of new cars, trucks and buses logged their biggest-ever drop in April, an industry group said on Monday.

The reconstruction of Japanese towns and cities devastated by a deadly earthquake and tsunami last month could take a decade, an advisory panel says.

The wind that blows across the debris-strewn land surrounding Atsuko Sakurai’s house is unusually strong for this time of year.

Toyota says it has resumed production at all of its plants in Japan for the first time since last month’s massive earthquake and tsunami.

The operator of Japan’s nuclear power plant on Friday promised an initial $12 000 in compensation to each family living close to the facility.

Workers forced to leave their homes and jobs because of radiation fears are demanding compensation from Japan’s tsunami-flooded nuclear plant.

A powerful earthquake on Thursday hit the same area of Japan ravaged by disaster a month ago, prompting a tsunami alert that was later cancelled.

Japanese authorities evacuated the ravaged northeast of the country on Thursday after a new 7.4-magnitude quake sparked warnings of another tsunami.

Workers at Japan’s stricken nuclear plant on Thursday pumped nitrogen into a crippled reactor in a bid to prevent a possible explosion.

Workers at Japan’s crippled atomic power plant on Wednesday plugged a hole spewing highly radioactive water into the ocean.