Buildings burn after an earthquake near Sendai Airport, northeastern Japan March 11, 2011

People take shelter as a ceiling collapses in a bookstore during an earthquake in Sendai, northeastern Japan March 11, 2011

Houses are swept by a tsunami in Natori City in northeastern Japan March 11, 2011

Houses are swept by a tsunami in Natori City in northeastern Japan March 11, 2011

Houses, cars and other debris are washed away by a tsunami in Kesennuma in Miyagi Prefecture, northern Japan, after strong earthquakes hit the area Friday, March 11, 2011

A massive tsunami hits the coastal areas of Iwanuma, Miyagi Prefecture, northeastern Japan, March 11, 2011

The oncoming tsunami strikes the coast in Natori City, Miyagi Prefecture, northeastern Japan, March 11, 2011. The biggest earthquake to hit Japan in 140 years struck the northeast coast on Friday, triggering a 10-meter tsunami that swept away everything in its path, including houses, cars and farm buildings on fire

People watch the aftermath of tsunami waves covering a port at Kesennuma in Miyagi Prefecture, northern Japan, after strong earthquakes hit the area Friday, March 11, 2011

Cars and airplanes swept by a tsunami are pictured among debris at Sendai Airport, northeastern Japan March 11, 2011. There were several strong aftershocks and a warning of a 10-meter tsunami following the quake, which also caused buildings to shake violently in the capital Tokyo

Houses swept by a tsunami smoulder near Sendai Airport in Japan March 11, 2011. There were several strong aftershocks and a warning of a 10-meter tsunami following the quake, which also caused buildings to shake violently in the capital Tokyo

Houses are in flame while the Natori river is flooded over the surrounding area by tsunami tidal waves in Natori city, Miyagi Prefecture, northern Japan, March 11, 2011, after strong earthquakes hit the area

Cars and other Debris swept away by tsunami tidal waves are seen in Kesennuma in Miyagi Prefecture, northern Japan, after strong earthquakes hit the area Friday, March 11, 2011

Houses are swept by water following a tsunami and earthquake in Natori City in northeastern Japan March 11, 2011. There were several strong aftershocks and a warning of a 10-meter tsunami following the quake, which also caused buildings to shake violently in the capital Tokyo

Natural gas containers burn at a facility following an earthquake in Chiba Prefecture near Tokyo March 11, 2011

Natural gas storage tanks burn at the Cosmo oil refinery in Ichihara city, Chiba Prefecture, near Tokyo March 11, 2011

Natural gas storage tanks burn at a facility in Chiba Prefecture, near Tokyo March 11, 2011

A building burns after an earthquake in the Odaiba district of Tokyo Japan March 11, 2011

Seismologist Bernd Weber of Germany's Geoscientific Research Institute GFZ in Potsdam poses for the media as he points on a graph with the magnitude of the earthquake in Japan on a monitor in Potsdam, March 11, 2011