When and where will the next damaging earthquake hit California? According to the USGS, the real threat comes from smaller (about magnitude 7) earthquakes occurring on the Hayward fault, the Peninsula ...

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...

Faults in the Earth are categorized into three general groups based on the sense of slip, or movement, that occur along them during earthquakes. When you purchase through links on our site, we may ...