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

Fortunately for residents of California, Oregon and Washington, Axial Seamount doesn't erupt explosively, so it poses zero ...

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 ...

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

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 Axial Seamount, located 300 miles off Oregon's coast, shows signs of eruption. Experts assure it won't affect land or ...

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 ...

Analysis has shown a boulder weighing almost 1,200 tons in Tonga is one of the largest known wave-transported rocks in the world, providing new insights into the Pacific region's history and risk of ...

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 ...