Using sound to study underwater volcanoes

Imagine placing a rock on a piece of suspended cardboard. If the cardboard is strong and hearty, like the cover of a hardback book, the rock can sit there for a long time and the board will barely flex due to the weight of ...

Sinking sea mountains make and muffle earthquakes

Subduction zones—places where one tectonic plate dives beneath another—are where the world's largest and most damaging earthquakes occur. A new study has found that when underwater mountains—also known as seamounts—are ...

What is the difference between active and dormant volcanoes?

Volcanoes are an impressive force of nature. Physically, they dominate the landscape, and have an active role in shaping our planet's geography. When they are actively erupting, they are an extremely dangerous and destructive ...

Scientists discover seamount in Pacific ocean

University of New Hampshire scientists on a seafloor mapping mission have discovered a new seamount near the Johnson Atoll in the Pacific Ocean. The summit of the seamount rises 1,100 meters from the 5,100-meter-deep ocean ...

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