Before we can prepare for the Big One, we have to know what "one" is. Here's a basic primer on the science of earthquakes.

The Early Show Earthquakes 101: How they happen March 12, 2011 / 12:17 PM EST / CBS/AP The horrifying images of destruction out of Japan make the scope of Friday's disaster all too clear.

Many earthquakes indeed happen as a result of plates rubbing against each other. You can explore “in the laboratory” how earthquakes occur by rubbing two wooden blocks against each other. If the ...

About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. A quick guide to how they are measured.

A decade of river data shows how the 2008 Wenchuan Earthquake triggered lasting sediment shifts - and long-term risks - in ...

Friday's earthquake off Mexico was the largest in that region in over a century, and will add pressure to a region already being battered by several other natural disasters.

The main shock is the most powerful earthquake. “So from a physics standpoint, they’re literally all just earthquakes,” Lozos said. Foreshocks are the quakes that happen before a large ...

Deep beneath the surface, our planet is a reactor, and one of the ways you'll feel this activity is when there's an earthquake.

Deep beneath the surface, our planet is a reactor, and one of the ways you'll feel this activity is when there's an earthquake.

About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. A quick guide to how they are measured.

In the hours after, social media was abuzz with discussions on how an earthquake can happen in Malaysia since the country is ...

An earthquake swarm has struck South Carolina over the past week, and experts are urging people to have a disaster plan in ...