A magnitude 8.0 earthquake off Solomon Islands has generated a tsunami and wiped out three remote villages on the Santa Cruz islands.
Tsunami warnings were issued for areas in the South Pacific following the quake, but they have now been cancelled.
People moved to higher ground in coastal areas of affected regions, but only small tsunami waves were recorded.
Look back at how this afternoon's events unfolded. All times AEDT.
2.55pm: The Pacific Tsunami Warning Centre has cancelled its warning and watch alerts for all areas.
2:49pm: The Pacific Tsunami Warning Centre says an 11 centimetre, non-destructive tsunami wave has hit Vanuatu. It says a wave will also hit PNG, but will be non-destructive.
2:45pm: The Australian High Commission in the Solomons capital Honiara has been evacuated. A spokeswoman says staff have moved to the High Commissioner’s residence, which is on higher ground, as a precaution.
2:38pm: The USGS has revised the depth of the quake to 28.7 kilometres, up from the shallow 5.8 kilometres earlier reported.
2:30pm: Brian Shiro from the Pacific Tsunami Warning Centre says the Solomons is likely to be the worst affected region in the Pacific.
"We've seen the tsunami at a couple of places in the Solomon Islands region. The largest reading is about one metre.
"We're still monitoring the area to see if the tsunami is going to be a threat anywhere else but it appears it's going to be constrained pretty much to that area.
"We've not expanded the warning watch zones, in fact we've restricted them a little bit."
2:23pm: The tsunami warning has caused chaos across Solomon Islands, with people trying to move to higher ground, causing major traffic jams in the capital Honiara. Boats and ships are also moving to open water to avoid any potential waves.
2:16pm: The Pacific Tsunami Warning Centre has corrected its recent update. Australia is NOT in the warning area. It says a tsunami watch is still in place for Australia, though the Bureau of Meteorology says Australia is not at risk.
2:09pm: An eight-centimetre tsunami has hit in the Solomons capital.