UPDATES: A tsunami watch was issued for the coasts of Oregon, Washington and California as well as parts of Alaska. A wave could hit just before 7:30 a.m. Friday but scientists hadn’t worked out yet the size of the possible wave.
The Pacific Tsunami Warning Center in Hawaii says a tsunami warning is in effect for a large swath of the Pacific after a magnitude 8.8 earthquake hit Japan.
A tsunami warning was in effect for Japan, Russia, Marcus Island and the Northern Marianas. A tsunami watch has been issued for Guam, Taiwan, the Philippines, Indonesia and U.S. state of Hawaii.
Reports are coming in that Japan has just had an 8.8 earthquake.
A powerful earthquake has struck off Japan, shaking buildings in Tokyo for several minutes and forcing people out of their homes, witnesses said.
Japan issued its most serious tsunami warning, saying a wave as high as 6m (20ft) could strike the coast near Miyagi prefecture.