NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

Earthquakes occur along fault lines between continental plates, where one plate is diving beneath another. Pressure builds between each plate, called fault stress. When this stress builds enough to ...

Here’s what you’ll learn when you read this story: Researchers hoping to unravel the dance of earthquake movement in North America’s West Coast discovered a disturbing fact: Two of the world’s largest ...

Deep beneath the eastern Pacific Ocean about 1,000 miles off the coast of Ecuador, a fault line on the seafloor has been ...

While it is often said that mountains don’t move, in reality, the Colorado Rocky Mountains are the result of a slow dance that has been occurring beneath the earth’s surface for hundreds of millions ...

Readers ask: “Where exactly is the Balcones Fault?” And while we’re at it, “What precisely is the Balcones Escarpment?” Excellent questions. Even some old-timers can’t tell you exactly where these two ...

Add Yahoo as a preferred source to see more of our stories on Google. ST. LOUIS – Earlier in the month, Missouri and nearby states saw a string of small earthquakes triggered along the New Madrid ...

Here’s what you’ll learn when you read this story: Researchers have discovered evidence of “partial synchronization” of two of the world’s most famous fault lines—the northern San Andreas Fault and ...