A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

A study published in the journal Nature Geoscience has revealed a subtle yet significant phenomenon beneath the North ...

Federal cuts to the U.S. Geological Survey have prompted fears of losing vital information on earthquake activity and ...

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When the ocean spreading in the region stopped around 33 million years ago, Greenland collided with Ellesmere Island and became a part of the North American plate. This was the last tectonic ...

A major geological find has been unearthed under the frozen waters of the Davis Strait, the narrow ocean channel between ...

A major geological surprise has been discovered deep under the icy waters between Greenland and Canada. A Surprising Find Beneath the Davis Strait Researchers from Sweden and the UK have discovered a ...

where the Pacific plate — upon which sits San Diego, Los Angeles and Santa Barbara — is slowly moving northwest relative to the North American plate, upon which sits San Francisco, the Central ...

where the Pacific plate—upon which sits San Diego, Los Angeles and Santa Barbara—is slowly moving northwest relative to the North American plate, upon which sits San Francisco, the Central ...

The Juan de Fuca Plate, at right, covered by a smooth layer of sediment, collides with and is pushed under the North American Plate. As this happens, sediment is scraped off and piled up in ridges ...

Millions of years from now, the Hawaiian Islands will disappear when the edge of the Pacific plate that supports them slides under the North American plate and returns to the mantle. For now ...