A vast eruption beneath the southwest Pacific Ocean has been confirmed as the largest volcanic event ever recorded on the ocean floor. The 2012 explosion at the Havre volcano, near New Zealand, ...

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, a shield-like giant buried beneath the northwest Pacific, spent years ...

Satellites captured footage of an underwater volcano eruption in a part of the sea that remains largely a mystery.

The South Pacific blast may have consumed its own methane — but using this idea against the greenhouse gas is controversial.

“It was like a shotgun blast directly into the sky,” said one marine geologist. A New Zealand-led team of marine geologists investigating an underwater volcano that erupted on Jan. 15 in the Tongan ...

Dramatic images from space showed the moment the eruption sent a mushroom of smoke and ash into the air – Copyright AFP The massive underwater volcanic eruption in ...

How big can volcanic eruptions get on Jupiter’s moon, Io? This is what a recent study published in the Journal of Geophysical Research: Planets hopes to address as an international team of scientists ...

The underwater volcano Hunga Tonga-Hunga Ha’apai, which sent a tsunami hurtling towards Tonga following a massive eruption on ...

An underwater volcano off the Oregon coast could erupt late this year, scientists say. The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles off the ...

An underwater volcano violently erupted in the South Pacific in 2022. The chemical reaction that happened afterwards could show humans how to slow global warming.