Add Yahoo as a preferred source to see more of our stories on Google. Researchers have discovered that the North American continent is slowly losing rock from its underside in a process called ...

A tectonic plate that disappeared under North America millions of years ago still peeks out in central California and Mexico, new research finds. The Farallon oceanic plate was once nestled between ...

An ancient slab of Earth's crust buried deep beneath the Midwest is sucking huge swatches of present-day's North American crust down into the mantle, researchers say. The slab's pull has created giant ...

PROVIDENCE, R.I. [Brown University] — Large chunks of an ancient tectonic plate that slid under North America millions of years ago are still present under parts of central California and Mexico, ...

Earthquakes and volcanism occur as a result of plate tectonics. The movement of tectonic plates themselves is largely driven by the process known as subduction. The question of how new active ...

Something strange is happening beneath the heart of North America. The continent’s ancient core, the craton, is changing quietly but profoundly. Geologists at last caught evidence of the process ...

It’s long been held that North America’s rugged and mountainous west was formed by the movement of the undersea Farallon plate, and that the process was roughly similar to the way groceries pile up at ...

Get unlimited access to ad-free articles and exclusive content. LiveScience A tectonic plate that disappeared under North America millions of years ago still peeks out in central California and Mexico ...

A tectonic plate that disappeared under North America millions of years ago still peeks out in central California and Mexico, new research finds. Subscribe to read this story ad-free Get unlimited ...

The Isabella anomaly -- the seismic signal of a large mass of cool, dehydrated material about 100 kilometers beneath central California -- is in fact a surviving slab of the Farallon oceanic plate, ...