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

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

Tiny, nearly undetectable earthquakes beneath Northern California are offering scientists new insights into the complex ...

Three of the great tectonic plates that make up the Earth’s crust meet at the Mendocino Triple Junction, off the Humboldt ...

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

A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction ...

Medical examiner believes death of man in ICE custody was homicide, recording says NASA brings astronauts home early after health issue in first-ever evacuation Fundraiser for Ford worker who heckled ...

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

Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...

An international team's seafloor study revealed one reason why the 2011 Japan earthquake and tsunami were so devastating. The ...

Scientists used satellite data to confirm that Earth's crust is "dripping" into the mantle beneath Turkey's Central Anatolian ...

Sometimes to truly study something up close, you have to take a step back. That's what Andrea Donnellan does. An expert in Earth sciences and seismology, she gets much of her data from a bird's-eye ...