Ocean Volcano Eruption 2024. Sat, 21 dec 2024, 03:00. A little over two years ago, the most powerful underwater volcano ever recorded erupted off the coast of the tiny island nation of tonga in the pacific ocean, about 2,000 kilometres from new zealand.

22 of those were new eruptions that started during the year. A little over two years ago, the most powerful underwater volcano ever recorded erupted off the coast of the tiny island nation of tonga in the pacific ocean, about 2,000 kilometres from new zealand.