News tagged with plate tectonics

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Under California: An ancient tectonic plate

(Phys.org) —The Isabella anomaly—indications 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. Most of the Farallon ...

dateMar 18, 2013 in Earth Sciences
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Seismic 'CT scans' reveal deep earth dynamics

A new look 100 miles beneath a massive tectonic plate as it dives under North America has helped clarify the subduction process that generates earthquakes, volcanoes and the rise of the Cascade Range in the Pacific Northwest.

dateSep 23, 2016 in Earth Sciences
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