They tend to inflate like a balloon in between eruptions. At Axial, the sea floor is actually rising, and that’s a big signal ...

An underwater volcano in Tonga dramatically changed the global climate by releasing massive steam, not just sulfur.

A scientist has explained what happens during an underwater volcanic eruption looks like as Axial Seamount on the Pacific ...

The most active volcano in the Pacific Northwest could erupt 'any day now,' scientists have warned. The Axial Seamount is a ...

Perched on a hot spot along the Juan de Fuca Ridge, the volcano is steadily inflating with magma, raising  the frequency of ...

The mission was so remote that often the closest humans to the vessel were on the International Space Station.

A submarine volcano 300 miles off the coast of Oregon could erupt for the first time since 2015, spewing “very fluid lava” into the sea where scientists were recently recording more than 1,000 ...

The Axial Seamount, an active underwater volcano located about 300 miles west of the Oregon coast and nearly a mile beneath ...

An underwater volcano off the coast of the United States could be ready to erupt. The vast submarine volcano, located around 300 miles from the coast of Oregon, has recently showed signs of ...

Deep below the Pacific, a restless seafloor volcano off Oregon is showing signs it may soon stir again. Axial Seamount, a submarine volcano located nearly a mile beneath the ocean surface, is flexing ...

A major US volcano situated close to Oregon is showing signs of erupting imminently according to several scientists ...