A man is scanned for radiation exposure at a temporary center for residents living close to the damaged Fukushima Daiichi plant on Wednesday, March 16, 2011. Gregory Bull/AP hide caption

itoggle caption Gregory Bull/AP

A woman sits in an evacuation center in Fukushima prefecture, where fears of radiation exposure have further complicated the lives of people whose cities were crippled by Friday's earthquake. Doualy Xaykaothao /NPR hide caption

itoggle caption Doualy Xaykaothao /NPR

Rescue workers check the remains of a house for any possible survivors in Natori, Miyage prefecture, Sunday. Mike Clarke/AFP/Getty Images hide caption

itoggle caption Mike Clarke/AFP/Getty Images

An aerial view shows the devastated Kesennuma city in Miyagi prefecture on March 12, 2011. More than 1,000 people were feared dead after a monster tsunami unleashed by a massive quake which wreaked destruction across northeast Japan and triggered an emergency at a nuclear power plant. JIJI Press/AFP/Getty Images hide caption

itoggle caption JIJI Press/AFP/Getty Images