An earthquake which struck near the Alaska-Yukon border last month has revealed a fault line hidden beneath ice, drawing ...

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 ...

The San Andreas Fault is the longest and fastest-moving, but over the next decade, Dr. Lucy Jones says it'll probably be one ...

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 ...

Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...