Small tsunami waves were detected in South Pacific islands after an undersea earthquake early Thursday morning. The Gold Coast, Brisbane, Sunshine Coast, Bundaberg and Gladstone all face a “high” risk of a tsunami according to the figures. The tsunami followed an undersea earthquake near the Loyalty Islands, which are part of New Caledonia. There has been a tsunami warning for Gladstone before. The Bureau of Meteorology has since updated the warning as a threat to the marine environment. 7NEWS Brisbane () Three powerful earthquakes, some of the largest to hit in years across the South Pacific, have rocked New Zealand triggering a tsunami warning for Australia. ... the Pacific Tsunami Warning Center said. The US Tsunami Warning System said a tsunami watch was in effect for American Samoa and there was potential for tsunamis in other regions including Vanuatu, Fiji and New Zealand. 7.3-magnitude earthquake struck off the coast of NZ's North Island at 2.27am It was followed by a 7.4-magnitude quake at 6.41am off the Kermadec … 7 magnitude undersea earthquake has struck the South Pacific region, triggering a brief tsunami warning for Australia and New Zealand that was cancelled, with no immediate reports of damage. The warning was issued at 8.36am local time, 6.36am Brisbane time. A 7.7 magnitude earthquake was recorded near New Caledonia at 2.20am today, prompting tsunami warnings for South Pacific islands, New Zealand and Australia's Lord Howe Island. A tsunami warning has been issued for New Zealand's North Island after three large earthquakes struck off the coast this morning. Small tsunami waves were detected in South Pacific islands after an undersea earthquake early Thursday morning. A tsunami watch alert was issued for Norfolk Island following an 8.1 magnitude earthquake off New Zealand’s North Island. Wellington [New Zealand], March 5 (ANI): A Tsunami warning has been issued for coastal areas of New Zealand following the M8.0 earthquake in the country's northeastern coast on Thursday night. Its epicentre was 417 kilometres east of Tadine, New Caledonia, and at a depth of 10km, the European Mediterranean Seismological Centre.