this is huge wave hitting the seaside town of kamishi. it devoured building after building. and look at the neatly lined homes are barely visible. not a single home standing here looking if the town never existed and in a beach region, rolling green hills are completely covered with dark mud. >> eric: two nuclear plants as officials try to prevent a possible nuclear meltdown. nearly 170,000 people living near the facility have been evacuated and reports say about 1500 people have been screened. of those nearly 200 are believed to have been exposed to some