According to the Maine Geological Survey, a cryoseism, or what is commonly referred to as a frost quake, is a phenomenon that produces ground shaking and noises similar to an earthquake but is ...
The post Second Earthquake in 3 Days Rattles Residents Along the East Coast—A Look at Major Cities Sitting on a Fault Line ...
A magnitude 4.5 earthquake rocked the US heartland, spreading shock waves that were felt 200 miles away from the epicenter.