According to the United States Geological Survey, the first earthquake took place Saturday around 7:45 p.m. It registered a 5 ...

Yellowstone is using a 53,000-pound vibrator truck to create custom-made earthquakes to study the supervolcano the park sits ...

A 5.4-magnitude earthquake shook the West Texas area just south of the New Mexico border, the U.S. Geological Survey reported ...