New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only ...

Then, a roar from below the water. The towering undersea volcano known as Hunga Tonga-Hunga Ha‘apai had awakened, and on a balmy afternoon in January 2022 it began blasting its insides into the ...

A massive underwater volcano appears on the verge of an enormous eruption which could trigger thousands of earthquakes. Magma is building up beneath the mile-wide surface of the Axial Seamount, which ...

Here’s how it works. When an underwater volcano in Tonga erupted in January, it belched out more than ash and volcanic gases; it also spewed 58,000 Olympic-size swimming pools' worth of water ...

A volcanic eruption in the South Pacific was so powerful that its shockwaves left the planet and reached space, new research shows. The 2022 underwater Hunga Tonga-Hunga Ha‘apai eruption ...

The Hunga Tonga underwater volcano was one of the largest volcanic eruptions in history, and now, two years later, new research from The Australian National University (ANU) has revealed its main ...

An active underwater volcano in the the Pacific Ocean off the Oregon Coast is predicted to erupt in 2025. Here's what to know ...

This is not what happened for Hunga Tonga. Because it was an underwater volcano, Hunga Tonga produced little smoke, but a lot of water vapour: 100-150 million tonnes, or the equivalent of 60,000 ...