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.

An undersea volcano off the Oregon coast will likely erupt in 2025 and scientists can use the lessons learned from ...

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 ...

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

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

Layers of lava build up over time, creating volcanoes. Tectonic plates are key. They are large pieces of the Earth’s crust which can move towards, away from, or alongside one another ...

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 ...

The Campi Flegrei (Phlegraean Fields) is a massive volcanic area located near Naples. This supervolcano is one of the most ...

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