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, ...
What appears to be three tectonic plates in a map may act like five pieces that move underground. Northern California ...
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 ...
The Rocky Mountains have always looked like a geological non sequitur, a towering spine of peaks sitting far from the ...
A previously unknown tectonic plate — one that has been swallowed up by the Earth — has been discovered in the Philippine Sea, according to a recent study. Using images constructed from earthquake ...
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, ...