As the name suggests, an earthquake is an event that causes the earth to shake. In some cases, an earthquake can be so significant that it cracks open the ground, as well as human-made structures such ...

Guerrero, Mexico is an active site with several recent major earthquakes, but also a small area called the ‘Guerrero seismic gap’ (pictured) where no earthquakes have occurred for more than a century.

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 ...

Their study, published in Nature Communications, found that after millions of years of inactivity, stress can quietly build ...

Pasadena, Calif.'s City Hall is seen Monday. Ryan Sun/AP When the 4.4-magnitude earthquake struck the Los Angeles area Monday afternoon, Angelenos reported a lengthy quake with significant shaking.

East Coasters flooded social media with reactions to Friday's earthquake. There's a reason East Coast earthquakes travel further than their West Coast counterparts. The rocks are harder, which causes ...

Spencer Watkins and John Oswald, engineering geologists with California Geological Survey, look over earthquake damage outside Scotia, California. Last week, about 60 miles off the coast near Ferndale ...

When the 4.4-magnitude earthquake struck the Los Angeles area Monday afternoon, Angelenos reported a lengthy quake with significant shaking. But the number attached to an earthquake only tells you so ...