Some residents of eastern Australia experienced brief panic on Wednesday morning after the Bureau of Meteorology sent out a test tsunami warning to residents across New South Wales, Queensland, and as far inland as Canberra.

A tsunami warning was issued for Japan's Izu and Ogasawara islands after a 5.9 magnitude earthquake. The quake, off Torishima island, caused no major damage, but a small 50 cm tsunami hit Hachijo island.

A 5.9 magnitude earthquake hit Japan this morning, sparking a tsunami warning across remote islands south of Tokyo, with waves of up to 50cm observed on coast