ABC News Australia
By Patrick Martin and Dana Kirimof
May 19, 2026
A volcano is erupting under the ocean in the Bismarck Sea, prompting warnings of possible tsunamis from authorities as ash and smoke bellow into the sky.
Papua New Guinea authorities have warned of falling pumice, ash, unpredictable swells and turbulent currents in the area near the eruption of the provisionally-named Titan Ridge Volcano.
Satellites have captured the event unfold from space, while seafarers in the area have seen it unfold.
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