Via the Pacific Tsunami Warning Center:
Tsunami Information.
Message Type: Expanding Regional Tsunami Warning Supplement
Warning: Solomon Islands, Vanuatu, Nauru, Papua New Guinea, Tuvalu, New Caledonia, Kosrae, Fiji, Kiribati, Wallis and Futuna
A Tsunami Watch is in Effect For Marshall Islands, Howland and Baker, Pohnpei, Tokelau, Samoa, Kermadec Islands, New Zealand, American Samoa, Tonga, Australia, Niue, Cook Islands, Indonesia, Wake Island, Chuukjarvis Island, Guam, Northern Marianas, Palmyra Island, Yap, Johnston Island, Minamitorishima, Belau.
Click through for more details. I'm still catching up on this, but CBC Radio here in Vancouver put the story at the top of its 7:00 p.m. news.