Roughly 80 percent of all volcanic eruptions on Earth happen underwater, far from any seismograph station or satellite camera ...

Ice-age sea-level declines may have turned seafloor volcanoes into natural iron fertilizer for plankton, potentially ...

Thick crust and wet lava around the Azores volcanoes may trace to ancient seawater stored 400 miles down and tapped by a ...

A new study published in the Proceedings of the National Academy of Sciences provides scientists with a powerful new tool for monitoring and predicting tectonic activity deep beneath the seafloor at ...

The Feb. 16 letter, “ Stop kicking climate change down the road,” stated, “Volcanoes on land and under the sea release about 200 million tons of carbon dioxide annually.” That was as of 2007. However, ...

Earth’s largest volcanic system, hidden in mountain chains under the sea, has long been assumed to erupt only quietly. The shallow seafloor off Iceland tells another story. Jonas Preine, a recently ...

The eruptions of some mid-ocean volcanoes may be the echoes of supercontinent breakups that persisted for tens of millions of years after the rearrangement of Earth's surface, a new study suggests.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Three hundred miles off the Oregon coast and 4,900 feet beneath the ...

Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral role in marine geology and may cause destructive tsunamis that can ...

The human-occupied vehicle Alvin, during a dive on the East Pacific Rise, collected samples and recovered instruments placed at the vents during previous expeditions. Woods Hole, Mass (October 13, ...