Ever wanted to know more about the ground beneath your feet? Well, thanks to a new geologic map of the lower 48 states of the USA, now you can – and in more detail than ever before. Geologic maps are ...

A minor, 3.5-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological Survey. The temblor happened at 3 p.m. Pacific time about 5 miles east of ...