By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...

The USGS reported that, over the past several days, a sequence of at least five earthquakes shook California, with magnitudes ...

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 ...

Focusing on an area off the coast of Crescent City, California, the researchers used autonomous and remotely operated ...

One pillar to that push: burying power lines in high fire-risk areas. Reducing wildfire risk has been a major driver of rate ...