The effects of Tonga's massive volcanic explosion linger, three years on

It's been more than three and a half years since one of the most powerful volcanic eruptions in recent history left devastation in Tonga. An Australian-led scientific team has been studying the area surrounding the underwater volcano, in collaboration with researchers from across the world, looking for signs of life. The eruption changed the shape of the sea floor and devastated the underwater environment but early signs of life are beginning to emerge.

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This episode was published on September 27, 2025.

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