Nearly 30 percent of residential districts developed in three northeastern Japan prefectures by relocating coastal households affected by a massive 2011 earthquake and tsunami disaster have been determined to be at risk of flooding, a survey by Kyodo News showed Thursday.The findings are based on a new tsunami estimate released last year after the completion of the relocation project involving Iwate, Miyagi and Fukushima prefectures, which were hit by tsunami waves triggered by a magnitude 9.0 earthquake on March 11, 2011.The survey was conducted in January and February, receiving responses…READ FULL ARTICLE