The 2022 underwater Hunga Tonga-Hunga Ha‘apai eruption, one of the most powerful in modern history, reached all the way into ...

In the middle of the Pacific Ocean, thousands of miles from any continent, Easter Island rises out of the sea. Its surface tells a story of volcanism that began roughly 2.5 million years ago, but ...

Sea levels rising and falling over hundreds of thousands of years may have helped build the oceanic structures ...

Mantle dynamics drive the formation of ocean islands and seamounts in the interior of oceanic plates. Yet the mechanisms for generating these volcanic edifices differ from chain to chain ...

Hawaii isn't the only series of islands formed from underwater volcanic eruptions. In 2014, a massive eruption formed the new island of Hunga Tonga-Hunga Ha'apai. But there's something about this ...

Bringing a novel approach to a classic problem, researchers have revealed how changes in ocean chemistry over the past 2 billion years have left an imprint on volcanic rocks formed in island arcs.

The ring-shaped coral islands known as atolls, like this one in the Maldives Islands in the Indian Ocean ... formation, developed by Charles Darwin, coral forms in a ring around a volcanic ...