Subduction of the Pacific Plate beneath the North American Plate creating the Aleutian trench and volcanic island arc (Credit: Alaska Volcano Observatory). Click image for a larger view.

They identified areas below the Pacific that seem like remains of submerged plates, but far away from plate boundaries with no geological evidence of past subduction. The Pacific is one large ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust ...

For millions of years, Earth’s shifting plates have shaped continents, formed oceans, and built towering mountain ranges. But some of these colossal structures have vanished into the depths of the ...

Mount Spurr is a prominent feature within the Aleutian volcanic arc, an area created by the subduction of the Pacific Plate beneath the North American Plate. This geological phenomenon leads to ...

An area in the Pacific Northwest lies on a 'subduction' zone where a tectonic plate slides underneath the North American plate. Subduction zones produce the world's largest earthquakes.

Geologists attribute the Laramide Orogeny to the subduction of an oceanic plate, specifically the Farallon Plate, beneath the North American Plate. This subduction began roughly 160 million years ...

Off the coast of Hawke’s Bay, a giant slumbers – but could wake at any time. The Hikurangi Subduction Zone is where the ...

The leftover pieces found under the Pacific Ocean surprised scientists as existing models have determined that there shouldn't be any such material in the area due to the lack of plate subduction.

A magnitude 7.0 earthquake in Tonga overnight triggered a tsunami warning and evacuations. No damage has been reported and ...