A strong, 6.0-magnitude earthquake struck in Ethiopia on Friday, according to the United States Geological Survey. The ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Several thousand earthquakes have been recorded near the Greek island since late January. So why is this happening?

A 3.4-magnitude earthquake rattled the Northern California area, the U.S. Geological Survey reported. The 4-mile deep quake ...