These quakes were located along the Juan de Fuca Ridge, named after a Greek sailor who explored the region in the 16th century, and not the nearby subduction zone that makes up part of the Ring of ...

The volcano, situated along the Juan de Fuca Ridge between Oregon and Alaska, has been identified as one of the most active in the Pacific Northwest. Oregon State University Research Associate ...

Marie Tharp, studying echo soundings, discovers that the Mid-Atlantic Ridge conceals a long rift valley, which turns out to be part of a hidden volcanic rent that girds the global deep.

A tsunami warning has been lifted after a 7.0-magnitude earthquake hit offshore Cape Mendocino in Northern California Thursday, the U.S. Geological Survey said. U.S. News // 2 years ago FEMA ...

Sometimes we go a longer period without them.” Many earthquakes in Washington state are linked to the motion of the Juan de Fuca Plate and the North American Continental Plate moving against ...