Axial Seamount off Oregon's coast is the most active volcano in the Pacific Northwest, about 300 miles offshore and just ...

The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific Northwest of the United States. The plates make up Earth's outer shell, called the lithosphere.

This volcanic arc delineates the boundary between the Pacific and North American tectonic plates. A subduction zone, composed of the deep Aleutian Trench coupled with a landward line of volcanoes ...

This volcano is the highlight of a chain of underwater mountains known as the Juan de Fuca Ridge (center of above image).

Underwater eruptions may seem distant to folks on land, but they have global significance. The 2022 Hunga Tonga event, for ...

Plate tectonics is a theory that explains how Earth’s lithosphere—its upper mantle and crust—is split into sections called plates, which move. These movements create mountains, volcanoes and ...

Here we explain how and why the crisis developed. Iceland is a country of fire and ice, home to several volcanoes and straddling two tectonic plates. The Eyjafjallajokull volcano began erupting in ...

Here's what happens when underwater volcanoes erupt after scientists issue a warning regarding an upcoming blast.

Volcanoes are one of the fiery masterpieces by nature, and some countries have more eruptions than others. From the rumbling ...