A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction zone, reshaping how I understand the tectonic engine of the West Coast.
What appears to be three tectonic plates in a map may act like five pieces that move underground. Northern California ...
Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County ...
A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.
By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...
Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...
Three of the great tectonic plates that make up the Earth’s crust meet at the Mendocino Triple Junction, off the Humboldt ...
Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...
Last Monday, April 14, an earthquake caught many people’s attention in Southern California. It was centered near the town of Julian about 35 miles inland from San Diego and triggered the USGS ...