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

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

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

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

Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.

Tiny earthquakes have revealed potentially deadly hidden faults beneath California. By tracking swarms of very small tremors, ...

Learn about the movement of tectonic plates off the coast of northern California, a process that could incite major ...

An underwater spring is gushing water into the ocean at unprecedented levels giving researchers additional insights into plate tectonics but not — despite some news reports — any indications of an ...

Researchers have identified an ancient tectonic fragment, the Pioneer fragment, buried under the coast, which may exacerbate earthquake hazards associated with the San Andreas and Cascadia faults.

For more than 15 years, UB geologist Margarete Jadamec has studied the Alaskan subduction zone, where two huge pieces of the Earth’s rigid outer layer — the North American Plate and the Pacific Plate ...

A seamount sitting on a subducting tectonic plate off the coast of Japan and plowing its way into Earth's mantle may be at the root of several magnitude 7 earthquakes in the past 40 years. When you ...