It was a groundbreaking discovery. Scientists have found previously concealed fault lines along California’s north coast, ...

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study ...

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

A 4.9-magnitude earthquake and several aftershocks rattled the Inland Empire on Monday night, according to the United States ...

Along the remote coast where the San Andreas Fault meets the Cascadia subduction zone, earthquakes too small for humans to ...

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 ...

Over the last few days, the Coachella Valley has experienced more than 20 earthquakes, causing concern among some residents.

When a magnitude 7.7 earthquake shook Myanmar on March 28, 2025, it wasn’t just another powerful tremor—it was a geological curveball. The quake ripped open more than 500 kilometers (317 miles) of the ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

PASADENA, Calif. (KABC) -- An earthquake on the San Andreas Fault could trigger bigger earthquakes on other faults, according to a newly released study by the University of Southern California. James ...