Major faults like the San Andreas strike fear of producing devastating earthquakes. But scientists have found that little-known 'branch' faults, minor faults that stem from larger ones, could release ...

The 4.8-magnitude earthquake on the East Coast Friday came from ancient dormant faults. The faults formed when two continents collided about 500 million years ago, creating the Appalachians and ...

Here’s what you’ll learn when you read this story: The Tintina fault is thought to have been inactive for more than 40 million years, but new research suggests that earthquakes occurred in the zone ...

Two of the biggest fault lines in the world are synched together in a way that could lead to disastrous consequences, according to recent scientific analysis. This synchronization raises alarms about ...

This discovery could really shake up the Big Apple. New York City was rattled harder than some surrounding areas during last April’s northeast earthquake because of a dangerous, newly discovered fault ...

There's a sleeping fault line that runs along the border between Canada and Alaska. The line has been dormant for millions of years as best scientists can tell. But new research suggests it could be ...

Researchers have discovered evidence of “partial synchronization” of two of the world’s most famous fault lines—the northern San Andreas Fault and Cascadia Subduction Zone. The relationship between ...

CITYWIDE — It's a seismic year for Santa Monica. In the 20th year since the destructive Northridge Earthquake, city officials announced they would assess buildings that might need seismic upgrades and ...

POCATELLO, Idaho - An Idaho State University geosciences professor says there's strong evidence a previously unidentified fault line extends 65 miles along the base of the Sawtooth Mountain Range in ...