For much of 2025, an underwater volcano off the Oregon coast was treated as a geological ticking clock, with forecasts suggesting it could erupt at almost any moment. Instead, the year is ending ...

A new study shows eruptions and wildfires altered the upper atmosphere, yet recent surface warming points elsewhere.

An active underwater volcano off Grenada's northern coast called Kick 'em Jenny was rumbling Thursday and regional disaster authorities were put on alert, though they said it posed no threat of ...

Hunga Tonga-Hunga Ha'apai (Hunga Tonga for short) erupted on January 15 2022 in the Pacific Kingdom of Tonga. It created a tsunami which triggered warnings across the entire Pacific basin, and sent ...

WELLINGTON, New Zealand — New Zealand and Australia have sent military surveillance flights to assess the damage in Tonga caused by Saturday's huge undersea volcanic eruption. Communications with the ...

SAN FRANCISCO — Though volcanoes dot the face of the planet and can be found on every continent, researchers say most of Earth's volcanic eruptions happen in a dark and faraway place: deep underwater.

With monstrous plumes bursting from the water and shimmery streaks of electric light, Devon Massyn said it was one of the craziest things he has ever experienced.

This dramatic island formation is Seongsan Ilchulbong on Jeju Island, South Korea. The crater formed thousands of years ago ...

Scientists are predicting that a mile-long volcano off the U.S. West Coast will erupt this year. The Axial Seamount, an underwater volcano located about 300 miles off the coast of Oregon, is ...

New studies suggests that the ice ages influence underwater volcanic eruptions. Because volcanic chains spread across 37,000 miles (59,500 kilometers) on the ocean floor, the eruptions could pump out ...