India, March 12 -- Japan marked the 15th anniversary of the earthquake, tsunami and nuclear disaster on its northeastern coast on Wednesday as the Government pushes for more use of atomic energy.

The magnitude 9.0 earthquake and tsunami on March 11, 2011, ravaged parts of the region, caused more than 22,000 deaths and forced nearly half a million people to flee their homes, most of them due to tsunami damage.

Some 1,60,000 people fled their homes in Fukushima because of the radiation spewed from the tsunami-hit Fukushima Daiichi nuclear power plant. About 26,000 of them haven't returned because they resettled elsewhere, their hometowns remain off-limits or they have lingering concerns about radiation.

Japan observed a moment of silence...