Imagining yourself in the shoes of a person experiencing "The Big One" can help us prepare now for a major earthquake, these ...

What appears to be three-way clash of blame somewhere off Northern California ends up being a crowded intersection with blank spots. The Mendocino Triple Junction has long been instructed as the ...

What appears to be three tectonic plates in a map may act like five pieces that move underground. Northern California ...

The model also proved the theorized existence of the Pioneer fragment, a remnant of the ancient Farrallon plate that used to traverse the California coastline that has not all but disappeared. This ...

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

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The Mendocino Triple ...

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. When you purchase through ...

When it comes to emergencies and natural disasters, one of the main concerns for residents in California is earthquakes. World-renowned seismologist Dr. Lucy Jones says the San Andreas Fault is not ...

We all know the San Andreas Fault is out there. Californians first learn about the looming underground threat during childhood earthquake drills and geology lessons, before growing into anxious adults ...

A small 3.3 magnitude earthquake struck near San Ramon, California, late Monday night local time, the U.S. Geological Survey (USGS) said. The epicenter, about 2.5 miles from San Ramon, and the quake's ...