LASSEN COUNTY, CA - the U.S. Geological Survey reported that a 2.2 magnitude quake struck close to Susanville around midday ...

Tens of thousands of hidden earthquakes were recently discovered beneath the Yellowstone volcano by a group of international ...

On Friday morning, residents of San Ramon experienced a series of minor earthquakes, shaking the tranquility of the Tri-Valley region once again. This latest cluster of quakes, which occurred in rapid ...

Park officials tracked earthquakes, volcanic activity, and one statistic no one plans for: the hats visitors leave behind.

Heat from the sun affects earthquake activity on Earth, suggests new research. Incorporating solar activity predictions into ...