Japan earthquake live blog: Waves as high as 10 feet could hit Hawaii

Live blog from CNN on the situation in Japan and worldwide on the tsunami alerts, excerpt :

" [8:10 a.m. ET, 10:10 p.m. Tokyo] Japan's Chief CabinetSecretary Yukio Edano ordered the evacuation of a three-kilometer areaaround the Fukushima nuclear reactor Friday.

[7:56 a.m. ET, 9:56 p.m. Tokyo] Live webcam on Kauai, where first wave expected at 8:07 ET. Waves could be as high as 10 feet in some areas of Hawaii.

[7:51 a.m. ET, 9:51 p.m. Tokyo] First tsunami could hit Kauai, Hawaii's westernmost main island at 8:07 ET, Coast Guard says.

[7:42 a.m. ET, 9:42 p.m. Tokyo] Japan has asked U.S. forces to help with relief efforts, the Kyodo News agency reported."