Ocean explorers mapping the seabed off the coast of Guatemala have discovered a mountain twice as high as the Burj Khalifa, the world's tallest building, hiding deep beneath the waves. The ...

The Axial Seamount – located hundreds of miles off the coast of Oregon and nearly 5,000 feet below the Pacific Ocean’s waves – erupted in April 2015, spewing a mile’s worth of lava onto the sea floor.

In the depths of the Pacific Ocean, 470 kilometers off the Oregon coast, a drama is unfolding. Axial Seamount, one of the most active underwater volcanoes in the world, is swelling with magma.

The largest of the four seamounts recently discovered by Schmidt Ocean Institute experts is 1.5 miles high and covers about 280 square miles. Schmidt Ocean Institute image A team of scientists ...

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...

Ocean explorers have found a natural volcanic structure deep underwater that has the appearance of a mythical man-made road. The underwater structure was discovered by marine scientists aboard the ...

“It’s commonly said that we know more about the surface of the moon than we do the bottom of the ocean,” said Aurora Elmore of the National Oceanic and Atmospheric Administration. A recent discovery ...

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 ...

A Boston University led team of scientists analyzed a Pacific Ocean seamount that is teeming with biologically diverse corals and sea creatures Rising mountain peaks and sharp rock formations cover ...

A strange-shaped, 3,300-foot-tall underwater volcano has been discovered just 184 miles off the Northern California coast. The sea mountain, or “seamount,” appears more like a smooth-sided circular ...