Ubiquitous and mysterious Tens of thousands of seamounts line the floors of the world's oceans, but exactly how most of these formed is unclear. Some, like the Hawaiian–Emperor seamount chain that ...

Geologists have long assumed that the Hawaiian Islands owe their existence to a "hotspot" -- stationary plumes of magma that rise from the Earth's mantle to form Mauna Loa, Kilauea and ...

Deep in the oceans exist some of the world's oldest and most mysterious sea canyons and mountains, or seamounts. Formed millions of years ago by extinct volcanoes and sediment erosion, sea canyons and ...

This part of the back cover of the March 2010 issue of the journal Oceanograhy depicts seven seamounts formed by the Louisville hotspot in the South Pacific that were surveyed during the AMAT02 ...

Kilauea, a volcano on the Big Island of Hawaii, has been erupting for more than 22 years. That marathon eruption is just one of the features that make this tropical peak stand out in the volcanic ...

The islands of Fiji and Vanuatu rise from the tropical waters of the South Pacific in one of the most tectonically active and geologically complex regions of the world. A new study of volcanism in ...

The surprisingly circular seamount rises about 3,300 feet off the seafloor, and has “relatively steep, smooth sides,” scientists say. Saildrone image A mountain would seem to be a tough thing to miss, ...

A sonar image of the “Eye of Sauron” volcano and seamounts “Barad-dûr” and “Ered Lithui.”Phil Vandenbossche & Nelson Kuna A group of researchers in Australia has uncovered the remnants of an ancient ...

Indonesia's National Research and Innovation Agency (BRIN) and OceanX have launched a deep-sea expedition to study a seamount ...

Tens of thousands of seamounts line the floors of the world's oceans, but exactly how most of these formed is unclear. Some, like the Hawaiian–Emperor seamount chain that extends northwest from the ...

A mountain would seem to be a tough thing to miss, but a new one has been found off the coast of Northern California. The seamount, as underwater mountains are called, was discovered by a seafloor ...