30 March 2011 - U.S. Department of State has downgraded the Travel Warning and announced the area where U.S. citizens should defer non-essetial travel to be: Tokyo (Tokyo Capital Region), Yokohama (Kanagawa Prefecture), and the prefectures of Akita, Aomori, Chiba, Fukushima, Gunma, Ibaraki, Iwate, Miyagi, Nagano, Niigata, Saitama, Shizuoka, Tochigi, Yamagata, and Yamanashi.
Areas of Japan outside these above regions of concern include: the islands of Hokkaido, Shikoku, Kyushu, and Okinawa, and the prefectures Aichi, Fukui, Gifu, Hiroshima, Hyogo, Ishikawa, Kyoto, Mie, Nara, Okayama, Osaka, Shiga, Shimane, Tottori, Toyama, Wakayama, and Yamaguchi on the island of Honshu. Travelers to these prefectures should bear in mind that transit through Narita (Chiba) and Haneda (Tokyo) airports may be required.
For more information about the updated Travel Warning, visit http://travel.state.gov/travel/cis_pa_tw/tw/tw_5398.html
For other updates of Japan Travel Advisory, visit http://www.japantravelinfo.com/news/news_item.php?newsid=431