A 3.2-magnitude earthquake shook the Northern California area, the U.S. Geological Survey reported. The more than 9-mile deep quake hit a little over half a mile south of Concord at 12:11 p.m. on ...

Could a massive volcano eruption occur in the United States? It's certainly possible. There are currently concerns about ...

A massive volcano eruption is reportedly possible as Mount Spurr in Alaska soared to high seismic activity levels amid a ...