Among other things, the new data showed a mid-ocean ridge in the Gulf of Mexico and a massive scar in the South Atlantic Ocean formed by an ancient hotspot that cracked the Earth's crust wide open.

Above: A marine gravity map of the North Atlantic Ocean Red dots show locations of earthquakes with magnitude > 5.5 and they highlight the present-day location of the seafloor spreading ridges and ...

About 15,000 seamounts, ocean-floor volcanoes too short to breach the sea surface, have been revealed in a new topographic map of the Earth's oceans.

Biogeographical regions of marine organisms, i.e., their distribution across different habitats, often overlap well with the ...

Scientists have created a new map of the world’s seafloor, offering a more vivid picture of the structures that make up the deepest, least-explored parts of the ocean. The feat was accomplish… ...

In the mid-20th century, when people looked at a map of the world, they saw the familiar continents surrounded by vast, ...

Deep Gravity. To map the seafloor, the satellites detect ripples and dips in the ocean's surface. Ridges and seamounts, or undersea mountains, are massive enough to exert a gravitational pull that ...

Trump announced in Maine Friday that he will roll back protections on the Northeast Canyons and Seamounts Marine National Monument, which has been closed to most fishing since 2016.