The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific Northwest of the ... of the plates creates three types of tectonic boundaries: convergent, where plates ...

About 100 miles offshore from the Pacific Northwest, deep beneath the seafloor, two tectonic plates are building tension that could erupt at any moment. In a region called the Cascadia subduction ...

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 ...

The Pacific Northwest is at risk for a mega-earthquake ... A subduction zone is where tectonic plates slide on top of each other. "We have the potential for earthquakes and tsunamis as large ...

Also known as the Circum-Pacific Belt, the Ring of Fire traces the meeting points of many tectonic plates, including the Eurasian, North American, Juan de Fuca, Cocos, Caribbean, Nazca ...

It’s near the Mendocino Triple Junction, a tectonic boundary where three plates meet: the Pacific, North American and Juan de Fuca. The Triple Junction is also the point that the Northwest’s ...