A satellite imaging (geospatial) company in Japan, PASCO, has looked at the tsunami hit areas of north east Honshu.

The images show that at least 470 square kilometers (292 square miles) of land is affected by the March 11 tsunami.

Fukushima Prefecture suffered 110 square km (68 square miles) of tsunami damage, while Iwate Prefecture has about 50 square km (31 square miles) of damage.

Miyagi Prefecture is the hardest hit: 300 square kilometers (186 square miles) of damage, and, 70% of the land is still underwater.