A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...

Seismic tremors reveal a shallow fragment of ancient tectonic plate beneath Northern California, helping explain damaging ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County ...

Rocks once buried deep in ancient subduction zones -- where tectonic plates collide -- could help scientists make better predictions of how these zones behave during the years between major ...

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

Hell, or something like it, may be a little closer than we thought. As a new study published in Nature Geoscience reveals, geologists at Cornell and the University of Texas have discovered a “hidden” ...